remove unneeded where clause

This commit is contained in:
csmoe 2018-03-15 18:39:44 +08:00
parent c62d9eb729
commit 55116243e7

View file

@ -52,19 +52,17 @@ impl Origin {
}
}
pub trait BorrowckErrors<'cx> {
pub trait BorrowckErrors<'cx>: Sized + Copy {
fn struct_span_err_with_code<S: Into<MultiSpan>>(self,
sp: S,
msg: &str,
code: DiagnosticId)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy;
-> DiagnosticBuilder<'cx>;
fn struct_span_err<S: Into<MultiSpan>>(self,
sp: S,
msg: &str)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy;
-> DiagnosticBuilder<'cx>;
/// Cancels the given error if we shouldn't emit errors for a given
/// origin in the current mode.
@ -74,12 +72,10 @@ pub trait BorrowckErrors<'cx> {
fn cancel_if_wrong_origin(self,
diag: DiagnosticBuilder<'cx>,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy;
-> DiagnosticBuilder<'cx>;
fn cannot_move_when_borrowed(self, span: Span, desc: &str, o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let err = struct_span_err!(self, span, E0505,
"cannot move out of `{}` because it is borrowed{OGN}",
@ -94,7 +90,6 @@ pub trait BorrowckErrors<'cx> {
borrow_desc: &str,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let mut err = struct_span_err!(self, span, E0503,
"cannot use `{}` because it was mutably borrowed{OGN}",
@ -112,7 +107,6 @@ pub trait BorrowckErrors<'cx> {
desc: &str,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let err = struct_span_err!(self, span, E0381,
"{} of possibly uninitialized variable: `{}`{OGN}",
@ -129,7 +123,6 @@ pub trait BorrowckErrors<'cx> {
old_load_end_span: Option<Span>,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let mut err = struct_span_err!(self, new_loan_span, E0499,
"cannot borrow `{}`{} as mutable more than once at a time{OGN}",
@ -162,7 +155,6 @@ pub trait BorrowckErrors<'cx> {
old_load_end_span: Option<Span>,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let mut err = struct_span_err!(self, new_loan_span, E0524,
"two closures require unique access to `{}` at the same time{OGN}",
@ -191,7 +183,6 @@ pub trait BorrowckErrors<'cx> {
previous_end_span: Option<Span>,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let mut err = struct_span_err!(self, new_loan_span, E0500,
"closure requires unique access to `{}` but {} is already borrowed{}{OGN}",
@ -216,7 +207,6 @@ pub trait BorrowckErrors<'cx> {
previous_end_span: Option<Span>,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let mut err = struct_span_err!(self, new_loan_span, E0501,
"cannot borrow `{}`{} as {} because previous closure \
@ -244,7 +234,6 @@ pub trait BorrowckErrors<'cx> {
old_load_end_span: Option<Span>,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let mut err = struct_span_err!(self, span, E0502,
"cannot borrow `{}`{} as {} because {} is also borrowed as {}{}{OGN}",
@ -259,7 +248,6 @@ pub trait BorrowckErrors<'cx> {
fn cannot_assign_to_borrowed(self, span: Span, borrow_span: Span, desc: &str, o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let mut err = struct_span_err!(self, span, E0506,
"cannot assign to `{}` because it is borrowed{OGN}",
@ -273,7 +261,6 @@ pub trait BorrowckErrors<'cx> {
fn cannot_move_into_closure(self, span: Span, desc: &str, o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let err = struct_span_err!(self, span, E0504,
"cannot move `{}` into closure because it is borrowed{OGN}",
@ -284,7 +271,6 @@ pub trait BorrowckErrors<'cx> {
fn cannot_reassign_immutable(self, span: Span, desc: &str, is_arg: bool, o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let msg = if is_arg {
"to immutable argument"
@ -299,7 +285,6 @@ pub trait BorrowckErrors<'cx> {
}
fn cannot_assign(self, span: Span, desc: &str, o: Origin) -> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let err = struct_span_err!(self, span, E0594,
"cannot assign to {}{OGN}",
@ -309,14 +294,12 @@ pub trait BorrowckErrors<'cx> {
fn cannot_assign_static(self, span: Span, desc: &str, o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
self.cannot_assign(span, &format!("immutable static item `{}`", desc), o)
}
fn cannot_move_out_of(self, move_from_span: Span, move_from_desc: &str, o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let mut err = struct_span_err!(self, move_from_span, E0507,
"cannot move out of {}{OGN}",
@ -334,7 +317,6 @@ pub trait BorrowckErrors<'cx> {
is_index: bool,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let type_name = match (&ty.sty, is_index) {
(&ty::TyArray(_, _), true) => "array",
@ -355,7 +337,6 @@ pub trait BorrowckErrors<'cx> {
container_ty: ty::Ty,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let mut err = struct_span_err!(self, move_from_span, E0509,
"cannot move out of type `{}`, \
@ -373,7 +354,6 @@ pub trait BorrowckErrors<'cx> {
moved_path: &str,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let err = struct_span_err!(self, use_span, E0382,
"{} of {}moved value: `{}`{OGN}",
@ -387,7 +367,6 @@ pub trait BorrowckErrors<'cx> {
uninit_path: &str,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let err = struct_span_err!(self,
span,
@ -403,7 +382,6 @@ pub trait BorrowckErrors<'cx> {
descr: &str,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let err = struct_span_err!(self, span, E0595, "closure cannot assign to {}{OGN}",
descr, OGN=o);
@ -416,7 +394,6 @@ pub trait BorrowckErrors<'cx> {
path: &str,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let err = struct_span_err!(self, span, E0596, "cannot borrow {} as mutable{OGN}",
path, OGN=o);
@ -429,7 +406,6 @@ pub trait BorrowckErrors<'cx> {
yield_span: Span,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let mut err = struct_span_err!(self,
span,
@ -446,7 +422,6 @@ pub trait BorrowckErrors<'cx> {
path: &str,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let err = struct_span_err!(self, span, E0597, "{} does not live long enough{OGN}",
path, OGN=o);
@ -459,7 +434,6 @@ pub trait BorrowckErrors<'cx> {
path: &str,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let err = struct_span_err!(self, span, E0598,
"lifetime of {} is too short to guarantee \
@ -475,7 +449,6 @@ pub trait BorrowckErrors<'cx> {
help: (Span, &str),
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let (help_span, help_msg) = help;
let mut err = struct_span_err!(self, span, E0387,
@ -491,7 +464,6 @@ pub trait BorrowckErrors<'cx> {
bad_thing: &str,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let mut err = struct_span_err!(self, span, E0389, "{} in a `&` reference{OGN}",
bad_thing, OGN=o);
@ -506,7 +478,6 @@ pub trait BorrowckErrors<'cx> {
capture_span: Span,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
let mut err = struct_span_err!(self, closure_span, E0373,
"closure may outlive the current function, \
@ -526,7 +497,6 @@ impl<'cx, 'gcx, 'tcx> BorrowckErrors<'cx> for TyCtxt<'cx, 'gcx, 'tcx> {
msg: &str,
code: DiagnosticId)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
self.sess.struct_span_err_with_code(sp, msg, code)
}
@ -535,7 +505,6 @@ impl<'cx, 'gcx, 'tcx> BorrowckErrors<'cx> for TyCtxt<'cx, 'gcx, 'tcx> {
sp: S,
msg: &str)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
self.sess.struct_span_err(sp, msg)
}
@ -544,7 +513,6 @@ impl<'cx, 'gcx, 'tcx> BorrowckErrors<'cx> for TyCtxt<'cx, 'gcx, 'tcx> {
mut diag: DiagnosticBuilder<'cx>,
o: Origin)
-> DiagnosticBuilder<'cx>
where Self: Sized + Copy
{
if !o.should_emit_errors(self.borrowck_mode()) {
self.sess.diagnostic().cancel(&mut diag);