Rollup merge of #65318 - estebank:coherence, r=varkor

Call out the types that are non local on E0117

CC #24745.
This commit is contained in:
Mazdak Farrokhzad 2019-10-29 04:08:19 +01:00 committed by GitHub
commit b07e8ed825
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
69 changed files with 467 additions and 250 deletions

View file

@ -237,7 +237,7 @@ pub fn trait_ref_is_local_or_fundamental<'tcx>(
}
pub enum OrphanCheckErr<'tcx> {
NoLocalInputType,
NonLocalInputType(Vec<(Ty<'tcx>, bool /* Is this the first input type? */)>),
UncoveredTy(Ty<'tcx>),
}
@ -355,7 +355,7 @@ pub fn orphan_check(
/// Note that this function is never called for types that have both type
/// parameters and inference variables.
fn orphan_check_trait_ref<'tcx>(
tcx: TyCtxt<'_>,
tcx: TyCtxt<'tcx>,
trait_ref: ty::TraitRef<'tcx>,
in_crate: InCrate,
) -> Result<(), OrphanCheckErr<'tcx>> {
@ -378,40 +378,51 @@ fn orphan_check_trait_ref<'tcx>(
// Let Ti be the first such type.
// - No uncovered type parameters P1..=Pn may appear in T0..Ti (excluding Ti)
//
fn uncover_fundamental_ty<'a>(
tcx: TyCtxt<'_>,
ty: Ty<'a>,
fn uncover_fundamental_ty<'tcx>(
tcx: TyCtxt<'tcx>,
ty: Ty<'tcx>,
in_crate: InCrate,
) -> Vec<Ty<'a>> {
if fundamental_ty(ty) && !ty_is_local(tcx, ty, in_crate) {
) -> Vec<Ty<'tcx>> {
if fundamental_ty(ty) && ty_is_non_local(tcx, ty, in_crate).is_some() {
ty.walk_shallow().flat_map(|ty| uncover_fundamental_ty(tcx, ty, in_crate)).collect()
} else {
vec![ty]
}
}
for input_ty in
trait_ref.input_types().flat_map(|ty| uncover_fundamental_ty(tcx, ty, in_crate))
let mut non_local_spans = vec![];
for (i, input_ty) in trait_ref
.input_types()
.flat_map(|ty| uncover_fundamental_ty(tcx, ty, in_crate))
.enumerate()
{
debug!("orphan_check_trait_ref: check ty `{:?}`", input_ty);
if ty_is_local(tcx, input_ty, in_crate) {
let non_local_tys = ty_is_non_local(tcx, input_ty, in_crate);
if non_local_tys.is_none() {
debug!("orphan_check_trait_ref: ty_is_local `{:?}`", input_ty);
return Ok(());
} else if let ty::Param(_) = input_ty.kind {
debug!("orphan_check_trait_ref: uncovered ty: `{:?}`", input_ty);
return Err(OrphanCheckErr::UncoveredTy(input_ty))
}
if let Some(non_local_tys) = non_local_tys {
for input_ty in non_local_tys {
non_local_spans.push((input_ty, i == 0));
}
}
}
// If we exit above loop, never found a local type.
debug!("orphan_check_trait_ref: no local type");
Err(OrphanCheckErr::NoLocalInputType)
Err(OrphanCheckErr::NonLocalInputType(non_local_spans))
} else {
let mut non_local_spans = vec![];
// First, create an ordered iterator over all the type
// parameters to the trait, with the self type appearing
// first. Find the first input type that either references a
// type parameter OR some local type.
for input_ty in trait_ref.input_types() {
if ty_is_local(tcx, input_ty, in_crate) {
for (i, input_ty) in trait_ref.input_types().enumerate() {
let non_local_tys = ty_is_non_local(tcx, input_ty, in_crate);
if non_local_tys.is_none() {
debug!("orphan_check_trait_ref: ty_is_local `{:?}`", input_ty);
// First local input type. Check that there are no
@ -438,15 +449,21 @@ fn orphan_check_trait_ref<'tcx>(
debug!("orphan_check_trait_ref: uncovered type `{:?}`", param);
return Err(OrphanCheckErr::UncoveredTy(param));
}
if let Some(non_local_tys) = non_local_tys {
for input_ty in non_local_tys {
non_local_spans.push((input_ty, i == 0));
}
}
}
// If we exit above loop, never found a local type.
debug!("orphan_check_trait_ref: no local type");
Err(OrphanCheckErr::NoLocalInputType)
Err(OrphanCheckErr::NonLocalInputType(non_local_spans))
}
}
fn uncovered_tys<'tcx>(tcx: TyCtxt<'_>, ty: Ty<'tcx>, in_crate: InCrate) -> Vec<Ty<'tcx>> {
if ty_is_local_constructor(tcx, ty, in_crate) {
fn uncovered_tys<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>, in_crate: InCrate) -> Vec<Ty<'tcx>> {
if ty_is_non_local_constructor(tcx, ty, in_crate).is_none() {
vec![]
} else if fundamental_ty(ty) {
ty.walk_shallow()
@ -464,9 +481,23 @@ fn is_possibly_remote_type(ty: Ty<'_>, _in_crate: InCrate) -> bool {
}
}
fn ty_is_local(tcx: TyCtxt<'_>, ty: Ty<'_>, in_crate: InCrate) -> bool {
ty_is_local_constructor(tcx, ty, in_crate) ||
fundamental_ty(ty) && ty.walk_shallow().any(|t| ty_is_local(tcx, t, in_crate))
fn ty_is_non_local<'t>(tcx: TyCtxt<'t>, ty: Ty<'t>, in_crate: InCrate) -> Option<Vec<Ty<'t>>> {
match ty_is_non_local_constructor(tcx, ty, in_crate) {
Some(ty) => if !fundamental_ty(ty) {
Some(vec![ty])
} else {
let tys: Vec<_> = ty.walk_shallow()
.filter_map(|t| ty_is_non_local(tcx, t, in_crate))
.flat_map(|i| i)
.collect();
if tys.is_empty() {
None
} else {
Some(tys)
}
},
None => None,
}
}
fn fundamental_ty(ty: Ty<'_>) -> bool {
@ -486,8 +517,12 @@ fn def_id_is_local(def_id: DefId, in_crate: InCrate) -> bool {
}
}
fn ty_is_local_constructor(tcx: TyCtxt<'_>, ty: Ty<'_>, in_crate: InCrate) -> bool {
debug!("ty_is_local_constructor({:?})", ty);
fn ty_is_non_local_constructor<'tcx>(
tcx: TyCtxt<'tcx>,
ty: Ty<'tcx>,
in_crate: InCrate,
) -> Option<Ty<'tcx>> {
debug!("ty_is_non_local_constructor({:?})", ty);
match ty.kind {
ty::Bool |
@ -506,18 +541,26 @@ fn ty_is_local_constructor(tcx: TyCtxt<'_>, ty: Ty<'_>, in_crate: InCrate) -> bo
ty::Tuple(..) |
ty::Param(..) |
ty::Projection(..) => {
false
Some(ty)
}
ty::Placeholder(..) | ty::Bound(..) | ty::Infer(..) => match in_crate {
InCrate::Local => false,
InCrate::Local => Some(ty),
// The inference variable might be unified with a local
// type in that remote crate.
InCrate::Remote => true,
InCrate::Remote => None,
},
ty::Adt(def, _) => def_id_is_local(def.did, in_crate),
ty::Foreign(did) => def_id_is_local(did, in_crate),
ty::Adt(def, _) => if def_id_is_local(def.did, in_crate) {
None
} else {
Some(ty)
},
ty::Foreign(did) => if def_id_is_local(did, in_crate) {
None
} else {
Some(ty)
},
ty::Opaque(did, _) => {
// Check the underlying type that this opaque
// type resolves to.
@ -525,18 +568,22 @@ fn ty_is_local_constructor(tcx: TyCtxt<'_>, ty: Ty<'_>, in_crate: InCrate) -> bo
// since we've already managed to successfully
// resolve all opaque types by this point
let real_ty = tcx.type_of(did);
ty_is_local_constructor(tcx, real_ty, in_crate)
ty_is_non_local_constructor(tcx, real_ty, in_crate)
}
ty::Dynamic(ref tt, ..) => {
if let Some(principal) = tt.principal() {
def_id_is_local(principal.def_id(), in_crate)
if def_id_is_local(principal.def_id(), in_crate) {
None
} else {
Some(ty)
}
} else {
false
Some(ty)
}
}
ty::Error => true,
ty::Error => None,
ty::UnnormalizedProjection(..) |
ty::Closure(..) |

View file

@ -24,7 +24,7 @@ impl ItemLikeVisitor<'v> for OrphanChecker<'tcx> {
fn visit_item(&mut self, item: &hir::Item) {
let def_id = self.tcx.hir().local_def_id(item.hir_id);
// "Trait" impl
if let hir::ItemKind::Impl(.., Some(_), _, _) = item.kind {
if let hir::ItemKind::Impl(.., generics, Some(tr), impl_ty, _) = &item.kind {
debug!("coherence2::orphan check: trait impl {}",
self.tcx.hir().node_to_string(item.hir_id));
let trait_ref = self.tcx.impl_trait_ref(def_id).unwrap();
@ -33,32 +33,74 @@ impl ItemLikeVisitor<'v> for OrphanChecker<'tcx> {
let sp = cm.def_span(item.span);
match traits::orphan_check(self.tcx, def_id) {
Ok(()) => {}
Err(traits::OrphanCheckErr::NoLocalInputType) => {
struct_span_err!(self.tcx.sess,
sp,
E0117,
"only traits defined in the current crate can be \
implemented for arbitrary types")
.span_label(sp, "impl doesn't use types inside crate")
.note("the impl does not reference only types defined in this crate")
.note("define and implement a trait or new type instead")
.emit();
Err(traits::OrphanCheckErr::NonLocalInputType(tys)) => {
let mut err = struct_span_err!(
self.tcx.sess,
sp,
E0117,
"only traits defined in the current crate can be implemented for \
arbitrary types"
);
err.span_label(sp, "impl doesn't use only types from inside the current crate");
for (ty, is_target_ty) in &tys {
let mut ty = *ty;
self.tcx.infer_ctxt().enter(|infcx| {
// Remove the lifetimes unnecessary for this error.
ty = infcx.freshen(ty);
});
ty = match ty.kind {
// Remove the type arguments from the output, as they are not relevant.
// You can think of this as the reverse of `resolve_vars_if_possible`.
// That way if we had `Vec<MyType>`, we will properly attribute the
// problem to `Vec<T>` and avoid confusing the user if they were to see
// `MyType` in the error.
ty::Adt(def, _) => self.tcx.mk_adt(def, ty::List::empty()),
_ => ty,
};
let this = "this".to_string();
let (ty, postfix) = match &ty.kind {
ty::Slice(_) => (this, " because slices are always foreign"),
ty::Array(..) => (this, " because arrays are always foreign"),
ty::Tuple(..) => (this, " because tuples are always foreign"),
_ => (format!("`{}`", ty), ""),
};
let msg = format!("{} is not defined in the current crate{}", ty, postfix);
if *is_target_ty {
// Point at `D<A>` in `impl<A, B> for C<B> in D<A>`
err.span_label(impl_ty.span, &msg);
} else {
// Point at `C<B>` in `impl<A, B> for C<B> in D<A>`
err.span_label(tr.path.span, &msg);
}
}
err.note("define and implement a trait or new type instead");
err.emit();
return;
}
Err(traits::OrphanCheckErr::UncoveredTy(param_ty)) => {
struct_span_err!(self.tcx.sess,
sp,
E0210,
"type parameter `{}` must be used as the type parameter \
for some local type (e.g., `MyStruct<{}>`)",
param_ty,
param_ty)
.span_label(sp,
format!("type parameter `{}` must be used as the type \
parameter for some local type", param_ty))
.note("only traits defined in the current crate can be implemented \
for a type parameter")
.emit();
let mut sp = sp;
for param in &generics.params {
if param.name.ident().to_string() == param_ty.to_string() {
sp = param.span;
}
}
let mut err = struct_span_err!(
self.tcx.sess,
sp,
E0210,
"type parameter `{}` must be used as the type parameter for some local \
type (e.g., `MyStruct<{}>`)",
param_ty,
param_ty
);
err.span_label(sp, format!(
"type parameter `{}` must be used as the type parameter for some local \
type",
param_ty,
));
err.note("only traits defined in the current crate can be implemented for a \
type parameter");
err.emit();
return;
}
}

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/coherence-all-remote.rs:9:1
--> $DIR/coherence-all-remote.rs:9:6
|
LL | impl<T> Remote1<T> for isize { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/coherence-all-remote.rs:9:1
--> $DIR/coherence-all-remote.rs:9:6
|
LL | impl<T> Remote1<T> for isize { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/coherence-bigint-param.rs:11:1
--> $DIR/coherence-bigint-param.rs:11:6
|
LL | impl<T> Remote1<BigInt> for T { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/coherence-bigint-param.rs:11:1
--> $DIR/coherence-bigint-param.rs:11:6
|
LL | impl<T> Remote1<BigInt> for T { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/coherence-cow.rs:18:1
--> $DIR/coherence-cow.rs:18:6
|
LL | impl<T> Remote for Pair<T,Cover<T>> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/coherence-cow.rs:23:1
--> $DIR/coherence-cow.rs:23:6
|
LL | impl<T> Remote for Pair<Cover<T>,T> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/coherence-cow.rs:28:1
--> $DIR/coherence-cow.rs:28:6
|
LL | impl<T,U> Remote for Pair<Cover<T>,U> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -2,9 +2,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-cow.rs:18:1
|
LL | impl<T> Remote for Pair<T,Cover<T>> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^----------------
| | |
| | `lib::Pair` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to previous error

View file

@ -2,9 +2,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-cow.rs:23:1
|
LL | impl<T> Remote for Pair<Cover<T>,T> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^----------------
| | |
| | `lib::Pair` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to previous error

View file

@ -2,9 +2,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-cow.rs:28:1
|
LL | impl<T,U> Remote for Pair<Cover<T>,U> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^^^----------------
| | |
| | `lib::Pair` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to previous error

View file

@ -8,10 +8,10 @@ LL | impl<A> Foo for A {
- impl trait_impl_conflict::Foo for isize;
error[E0210]: type parameter `A` must be used as the type parameter for some local type (e.g., `MyStruct<A>`)
--> $DIR/coherence-cross-crate-conflict.rs:12:1
--> $DIR/coherence-cross-crate-conflict.rs:12:6
|
LL | impl<A> Foo for A {
| ^^^^^^^^^^^^^^^^^ type parameter `A` must be used as the type parameter for some local type
| ^ type parameter `A` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -8,10 +8,10 @@ LL | impl<A> Foo for A {
- impl trait_impl_conflict::Foo for isize;
error[E0210]: type parameter `A` must be used as the type parameter for some local type (e.g., `MyStruct<A>`)
--> $DIR/coherence-cross-crate-conflict.rs:12:1
--> $DIR/coherence-cross-crate-conflict.rs:12:6
|
LL | impl<A> Foo for A {
| ^^^^^^^^^^^^^^^^^ type parameter `A` must be used as the type parameter for some local type
| ^ type parameter `A` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -2,9 +2,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-fundamental-trait-objects.rs:15:1
|
LL | impl Misc for dyn Fundamental<Local> {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^----------------------
| | |
| | `dyn coherence_fundamental_trait_lib::Fundamental<Local>` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to previous error

View file

@ -2,9 +2,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-fundamental-trait-objects.rs:15:1
|
LL | impl Misc for dyn Fundamental<Local> {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^----------------------
| | |
| | `dyn coherence_fundamental_trait_lib::Fundamental<Local>` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to previous error

View file

@ -14,9 +14,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-impl-trait-for-marker-trait-negative.rs:22:1
|
LL | impl !Send for dyn Marker2 {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^-----------
| | |
| | `dyn Marker2` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0321]: cross-crate traits with a default impl, like `std::marker::Send`, can only be implemented for a struct/enum type, not `(dyn Object + 'static)`

View file

@ -14,9 +14,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-impl-trait-for-marker-trait-positive.rs:22:1
|
LL | unsafe impl Send for dyn Marker2 {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^^^-----------
| | |
| | `dyn Marker2` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0321]: cross-crate traits with a default impl, like `std::marker::Send`, can only be implemented for a struct/enum type, not `(dyn Object + 'static)`

View file

@ -49,36 +49,44 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-impls-copy.rs:8:1
|
LL | impl Copy for i32 {}
| ^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^---
| | |
| | `i32` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/coherence-impls-copy.rs:32:1
|
LL | impl Copy for (MyType, MyType) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^----------------
| | |
| | this is not defined in the current crate because tuples are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/coherence-impls-copy.rs:40:1
|
LL | impl Copy for [MyType] {}
| ^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^--------
| | |
| | this is not defined in the current crate because slices are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/coherence-impls-copy.rs:45:1
|
LL | impl Copy for &'static [NotSync] {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^------------------
| | |
| | this is not defined in the current crate because slices are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to 10 previous errors

View file

@ -49,36 +49,44 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-impls-copy.rs:8:1
|
LL | impl Copy for i32 {}
| ^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^---
| | |
| | `i32` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/coherence-impls-copy.rs:32:1
|
LL | impl Copy for (MyType, MyType) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^----------------
| | |
| | this is not defined in the current crate because tuples are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/coherence-impls-copy.rs:40:1
|
LL | impl Copy for [MyType] {}
| ^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^--------
| | |
| | this is not defined in the current crate because slices are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/coherence-impls-copy.rs:45:1
|
LL | impl Copy for &'static [NotSync] {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^------------------
| | |
| | this is not defined in the current crate because slices are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to 10 previous errors

View file

@ -2,9 +2,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-impls-send.rs:20:1
|
LL | unsafe impl Send for (MyType, MyType) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^^^----------------
| | |
| | this is not defined in the current crate because tuples are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0321]: cross-crate traits with a default impl, like `std::marker::Send`, can only be implemented for a struct/enum type, not `&'static NotSync`
@ -17,18 +19,22 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-impls-send.rs:28:1
|
LL | unsafe impl Send for [MyType] {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^^^--------
| | |
| | this is not defined in the current crate because slices are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/coherence-impls-send.rs:32:1
|
LL | unsafe impl Send for &'static [NotSync] {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^^^------------------
| | |
| | this is not defined in the current crate because slices are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to 4 previous errors

View file

@ -2,9 +2,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-impls-send.rs:20:1
|
LL | unsafe impl Send for (MyType, MyType) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^^^----------------
| | |
| | this is not defined in the current crate because tuples are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0321]: cross-crate traits with a default impl, like `std::marker::Send`, can only be implemented for a struct/enum type, not `&'static NotSync`
@ -17,18 +19,22 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-impls-send.rs:28:1
|
LL | unsafe impl Send for [MyType] {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^^^--------
| | |
| | this is not defined in the current crate because slices are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/coherence-impls-send.rs:32:1
|
LL | unsafe impl Send for &'static [NotSync] {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^^^------------------
| | |
| | this is not defined in the current crate because slices are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to 4 previous errors

View file

@ -38,27 +38,33 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-impls-sized.rs:27:1
|
LL | impl Sized for (MyType, MyType) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^----------------
| | |
| | this is not defined in the current crate because tuples are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/coherence-impls-sized.rs:39:1
|
LL | impl Sized for [MyType] {}
| ^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^--------
| | |
| | this is not defined in the current crate because slices are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/coherence-impls-sized.rs:46:1
|
LL | impl Sized for &'static [NotSync] {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^------------------
| | |
| | this is not defined in the current crate because slices are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to 9 previous errors

View file

@ -38,27 +38,33 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-impls-sized.rs:27:1
|
LL | impl Sized for (MyType, MyType) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^----------------
| | |
| | this is not defined in the current crate because tuples are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/coherence-impls-sized.rs:39:1
|
LL | impl Sized for [MyType] {}
| ^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^--------
| | |
| | this is not defined in the current crate because slices are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/coherence-impls-sized.rs:46:1
|
LL | impl Sized for &'static [NotSync] {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^------------------
| | |
| | this is not defined in the current crate because slices are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to 9 previous errors

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/coherence-lone-type-parameter.rs:9:1
--> $DIR/coherence-lone-type-parameter.rs:9:6
|
LL | impl<T> Remote for T { }
| ^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/coherence-lone-type-parameter.rs:9:1
--> $DIR/coherence-lone-type-parameter.rs:9:6
|
LL | impl<T> Remote for T { }
| ^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -2,18 +2,23 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-orphan.rs:13:1
|
LL | impl TheTrait<usize> for isize { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^---------------^^^^^-----
| | | |
| | | `isize` is not defined in the current crate
| | `usize` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/coherence-orphan.rs:21:1
|
LL | impl !Send for Vec<isize> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^----------
| | |
| | `std::vec::Vec` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to 2 previous errors

View file

@ -2,18 +2,23 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-orphan.rs:13:1
|
LL | impl TheTrait<usize> for isize { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^---------------^^^^^-----
| | | |
| | | `isize` is not defined in the current crate
| | `usize` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/coherence-orphan.rs:21:1
|
LL | impl !Send for Vec<isize> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^----------
| | |
| | `std::vec::Vec` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to 2 previous errors

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/coherence-overlapping-pairs.rs:11:1
--> $DIR/coherence-overlapping-pairs.rs:11:6
|
LL | impl<T> Remote for lib::Pair<T,Foo> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -2,9 +2,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-overlapping-pairs.rs:11:1
|
LL | impl<T> Remote for lib::Pair<T,Foo> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^----------------
| | |
| | `lib::Pair` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to previous error

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/coherence-pair-covered-uncovered-1.rs:15:1
--> $DIR/coherence-pair-covered-uncovered-1.rs:15:6
|
LL | impl<T, U> Remote1<Pair<T, Local<U>>> for i32 { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -2,9 +2,12 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-pair-covered-uncovered-1.rs:15:1
|
LL | impl<T, U> Remote1<Pair<T, Local<U>>> for i32 { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^--------------------------^^^^^---
| | | |
| | | `i32` is not defined in the current crate
| | `lib::Pair` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to previous error

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/coherence-pair-covered-uncovered.rs:11:1
--> $DIR/coherence-pair-covered-uncovered.rs:11:6
|
LL | impl<T,U> Remote for Pair<T,Local<U>> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -2,9 +2,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-pair-covered-uncovered.rs:11:1
|
LL | impl<T,U> Remote for Pair<T,Local<U>> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^^^----------------
| | |
| | `lib::Pair` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to previous error

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/coherence-vec-local-2.rs:14:1
--> $DIR/coherence-vec-local-2.rs:14:6
|
LL | impl<T> Remote for Vec<Local<T>> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -2,9 +2,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-vec-local-2.rs:14:1
|
LL | impl<T> Remote for Vec<Local<T>> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^-------------
| | |
| | `std::vec::Vec` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to previous error

View file

@ -2,9 +2,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-vec-local.rs:14:1
|
LL | impl Remote for Vec<Local> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^----------
| | |
| | `std::vec::Vec` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to previous error

View file

@ -2,9 +2,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence-vec-local.rs:14:1
|
LL | impl Remote for Vec<Local> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^----------
| | |
| | `std::vec::Vec` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to previous error

View file

@ -2,9 +2,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence_local_err_struct.rs:17:1
|
LL | impl lib::MyCopy for lib::MyStruct<MyType> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^^^---------------------
| | |
| | `lib::MyStruct` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to previous error

View file

@ -2,9 +2,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence_local_err_struct.rs:17:1
|
LL | impl lib::MyCopy for lib::MyStruct<MyType> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^^^---------------------
| | |
| | `lib::MyStruct` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to previous error

View file

@ -2,9 +2,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence_local_err_tuple.rs:17:1
|
LL | impl lib::MyCopy for (MyType,) { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^^^---------
| | |
| | this is not defined in the current crate because tuples are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to previous error

View file

@ -2,9 +2,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/coherence_local_err_tuple.rs:17:1
|
LL | impl lib::MyCopy for (MyType,) { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^^^---------
| | |
| | this is not defined in the current crate because tuples are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to previous error

View file

@ -2,9 +2,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/impl-foreign-for-foreign.rs:12:1
|
LL | impl Remote for i32 {
| ^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^---
| | |
| | `i32` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to previous error

View file

@ -2,27 +2,36 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/impl-foreign-for-foreign[foreign].rs:12:1
|
LL | impl Remote1<Rc<i32>> for i32 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^----------------^^^^^---
| | | |
| | | `i32` is not defined in the current crate
| | `std::rc::Rc` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/impl-foreign-for-foreign[foreign].rs:16:1
|
LL | impl Remote1<Rc<Local>> for f64 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^------------------^^^^^---
| | | |
| | | `f64` is not defined in the current crate
| | `std::rc::Rc` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/impl-foreign-for-foreign[foreign].rs:20:1
|
LL | impl<T> Remote1<Rc<T>> for f32 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^--------------^^^^^---
| | | |
| | | `f32` is not defined in the current crate
| | `std::rc::Rc` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to 3 previous errors

View file

@ -2,18 +2,22 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/impl-foreign-for-fundamental[foreign].rs:12:1
|
LL | impl Remote for Box<i32> {
| ^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^--------
| | |
| | `i32` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/impl-foreign-for-fundamental[foreign].rs:16:1
|
LL | impl<T> Remote for Box<Rc<T>> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^----------
| | |
| | `std::rc::Rc` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to 2 previous errors

View file

@ -2,9 +2,12 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/impl-foreign[foreign]-for-foreign.rs:12:1
|
LL | impl Remote1<u32> for f64 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^------------^^^^^---
| | | |
| | | `f64` is not defined in the current crate
| | `u32` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to previous error

View file

@ -2,27 +2,36 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/impl-foreign[fundemental[foreign]]-for-foreign.rs:13:1
|
LL | impl Remote1<Box<String>> for i32 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^--------------------^^^^^---
| | | |
| | | `i32` is not defined in the current crate
| | `std::string::String` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/impl-foreign[fundemental[foreign]]-for-foreign.rs:17:1
|
LL | impl Remote1<Box<Rc<i32>>> for f64 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^---------------------^^^^^---
| | | |
| | | `f64` is not defined in the current crate
| | `std::rc::Rc` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/impl-foreign[fundemental[foreign]]-for-foreign.rs:21:1
|
LL | impl<T> Remote1<Box<Rc<T>>> for f32 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^-------------------^^^^^---
| | | |
| | | `f32` is not defined in the current crate
| | `std::rc::Rc` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to 3 previous errors

View file

@ -2,18 +2,22 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/impl[t]-foreign-for-foreign[t].rs:13:1
|
LL | impl Remote for Rc<Local> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^---------
| | |
| | `std::rc::Rc` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/impl[t]-foreign-for-foreign[t].rs:18:1
|
LL | impl<T> Remote for Arc<T> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^------
| | |
| | `std::sync::Arc` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to 2 previous errors

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/impl[t]-foreign-for-fundamental[t].rs:12:1
--> $DIR/impl[t]-foreign-for-fundamental[t].rs:12:6
|
LL | impl<T> Remote for Box<T> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,16 +1,16 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/impl[t]-foreign[foreign]-for-fundamental[t].rs:12:1
--> $DIR/impl[t]-foreign[foreign]-for-fundamental[t].rs:12:6
|
LL | impl<T> Remote1<u32> for Box<T> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/impl[t]-foreign[foreign]-for-fundamental[t].rs:16:1
--> $DIR/impl[t]-foreign[foreign]-for-fundamental[t].rs:16:10
|
LL | impl<'a, T> Remote1<u32> for &'a T {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/impl[t]-foreign[foreign]-for-t.rs:12:1
--> $DIR/impl[t]-foreign[foreign]-for-t.rs:12:6
|
LL | impl<T> Remote1<u32> for T {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,16 +1,16 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/impl[t]-foreign[fundamental[t]]-for-foreign.rs:12:1
--> $DIR/impl[t]-foreign[fundamental[t]]-for-foreign.rs:12:6
|
LL | impl<T> Remote1<Box<T>> for u32 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/impl[t]-foreign[fundamental[t]]-for-foreign.rs:16:1
--> $DIR/impl[t]-foreign[fundamental[t]]-for-foreign.rs:16:10
|
LL | impl<'a, T> Remote1<&'a T> for u32 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,16 +1,16 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/impl[t]-foreign[fundamental[t]]-for-fundamental[t].rs:12:1
--> $DIR/impl[t]-foreign[fundamental[t]]-for-fundamental[t].rs:12:10
|
LL | impl<'a, T> Remote1<Box<T>> for &'a T {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/impl[t]-foreign[fundamental[t]]-for-fundamental[t].rs:15:1
--> $DIR/impl[t]-foreign[fundamental[t]]-for-fundamental[t].rs:15:10
|
LL | impl<'a, T> Remote1<&'a T> for Box<T> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,16 +1,16 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/impl[t]-foreign[fundamental[t]]-for-t.rs:12:1
--> $DIR/impl[t]-foreign[fundamental[t]]-for-t.rs:12:6
|
LL | impl<T> Remote1<Box<T>> for T {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/impl[t]-foreign[fundamental[t]]-for-t.rs:15:1
--> $DIR/impl[t]-foreign[fundamental[t]]-for-t.rs:15:10
|
LL | impl<'a, T> Remote1<&'a T> for T {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,16 +1,16 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/impl[t]-foreign[fundamental[t]_local]-for-foreign.rs:12:1
--> $DIR/impl[t]-foreign[fundamental[t]_local]-for-foreign.rs:12:6
|
LL | impl<T> Remote2<Box<T>, Local> for u32 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/impl[t]-foreign[fundamental[t]_local]-for-foreign.rs:16:1
--> $DIR/impl[t]-foreign[fundamental[t]_local]-for-foreign.rs:16:10
|
LL | impl<'a, T> Remote2<&'a T, Local> for u32 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,16 +1,16 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/impl[t]-foreign[local]-for-fundamental[t].rs:12:1
--> $DIR/impl[t]-foreign[local]-for-fundamental[t].rs:12:6
|
LL | impl<T> Remote1<Local> for Box<T> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/impl[t]-foreign[local]-for-fundamental[t].rs:16:1
--> $DIR/impl[t]-foreign[local]-for-fundamental[t].rs:16:6
|
LL | impl<T> Remote1<Local> for &T {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/impl[t]-foreign[local]-for-t.rs:12:1
--> $DIR/impl[t]-foreign[local]-for-t.rs:12:6
|
LL | impl<T> Remote1<Local> for T {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/impl[t]-foreign[t]-for-foreign.rs:12:1
--> $DIR/impl[t]-foreign[t]-for-foreign.rs:12:6
|
LL | impl<T> Remote1<T> for u32 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,16 +1,16 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/impl[t]-foreign[t]-for-fundamental.rs:12:1
--> $DIR/impl[t]-foreign[t]-for-fundamental.rs:12:6
|
LL | impl<T> Remote1<T> for Box<T> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter
error[E0210]: type parameter `B` must be used as the type parameter for some local type (e.g., `MyStruct<B>`)
--> $DIR/impl[t]-foreign[t]-for-fundamental.rs:16:1
--> $DIR/impl[t]-foreign[t]-for-fundamental.rs:16:13
|
LL | impl<'a, A, B> Remote1<A> for &'a B {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `B` must be used as the type parameter for some local type
| ^ type parameter `B` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/impl[t]-foreign[t]-for-t.rs:12:1
--> $DIR/impl[t]-foreign[t]-for-t.rs:12:6
|
LL | impl<T> Remote1<T> for T {
| ^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -8,9 +8,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/drop-on-non-struct.rs:1:1
|
LL | impl<'a> Drop for &'a mut isize {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^-------------
| | |
| | `isize` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to 2 previous errors

View file

@ -8,9 +8,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/E0117.rs:1:1
|
LL | impl Drop for u32 {}
| ^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^---
| | |
| | `u32` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to 2 previous errors

View file

@ -14,9 +14,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/E0206.rs:3:1
|
LL | impl Copy for Foo { }
| ^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^---
| | |
| | this is not defined in the current crate because arrays are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to 3 previous errors

View file

@ -9,10 +9,10 @@ LL | impl<R> External for (Q, R) {}
where <U as std::ops::FnOnce<(T,)>>::Output == V, <V as std::iter::Iterator>::Item == T, 'b : 'a, T : 'a, U: std::ops::FnOnce<(T,)>, U : 'static, V: std::iter::Iterator, V: std::clone::Clone, W: std::ops::Add, <W as std::ops::Add>::Output: std::marker::Copy;
error[E0210]: type parameter `R` must be used as the type parameter for some local type (e.g., `MyStruct<R>`)
--> $DIR/complex-impl.rs:9:1
--> $DIR/complex-impl.rs:9:6
|
LL | impl<R> External for (Q, R) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `R` must be used as the type parameter for some local type
| ^ type parameter `R` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -9,10 +9,10 @@ LL | impl<Foo> Deref for Foo { }
where T: ?Sized;
error[E0210]: type parameter `Foo` must be used as the type parameter for some local type (e.g., `MyStruct<Foo>`)
--> $DIR/issue-28981.rs:5:1
--> $DIR/issue-28981.rs:5:6
|
LL | impl<Foo> Deref for Foo { }
| ^^^^^^^^^^^^^^^^^^^^^^^ type parameter `Foo` must be used as the type parameter for some local type
| ^^^ type parameter `Foo` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/feature-gate-re-rebalance-coherence.rs:10:1
--> $DIR/feature-gate-re-rebalance-coherence.rs:10:10
|
LL | impl<'a, T:'a, Tab> QueryFragment<Oracle> for BatchInsert<'a, T, Tab> {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -16,10 +16,10 @@ LL | impl<T> Drop for T where T: A {
| ^ implementing Drop requires a struct
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/issue-41974.rs:7:1
--> $DIR/issue-41974.rs:7:6
|
LL | impl<T> Drop for T where T: A {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -1,8 +1,8 @@
error[E0210]: type parameter `T` must be used as the type parameter for some local type (e.g., `MyStruct<T>`)
--> $DIR/orphan-check-diagnostics.rs:11:1
--> $DIR/orphan-check-diagnostics.rs:11:6
|
LL | impl<T> RemoteTrait for T where T: LocalTrait {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type parameter `T` must be used as the type parameter for some local type
| ^ type parameter `T` must be used as the type parameter for some local type
|
= note: only traits defined in the current crate can be implemented for a type parameter

View file

@ -2,18 +2,22 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/typeck-default-trait-impl-cross-crate-coherence.rs:13:1
|
LL | impl DefaultedTrait for (A,) { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^^^^^^----
| | |
| | this is not defined in the current crate because tuples are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/typeck-default-trait-impl-cross-crate-coherence.rs:16:1
|
LL | impl !DefaultedTrait for (B,) { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^^^^^^^----
| | |
| | this is not defined in the current crate because tuples are always foreign
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error[E0321]: cross-crate traits with a default impl, like `lib::DefaultedTrait`, can only be implemented for a struct/enum type defined in the current crate
@ -26,9 +30,11 @@ error[E0117]: only traits defined in the current crate can be implemented for ar
--> $DIR/typeck-default-trait-impl-cross-crate-coherence.rs:21:1
|
LL | impl DefaultedTrait for lib::Something<C> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
| ^^^^^^^^^^^^^^^^^^^^^^^^-----------------
| | |
| | `lib::Something` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: the impl does not reference only types defined in this crate
= note: define and implement a trait or new type instead
error: aborting due to 4 previous errors