Update test

This commit is contained in:
Esteban Küber 2025-07-10 17:34:39 +00:00
parent 0674eca2f0
commit d6924441cd
3 changed files with 71 additions and 15 deletions

View file

@ -4,14 +4,24 @@ struct S;
trait Trait {
fn foo() {}
}
impl Trait for &S {}
impl Trait for &mut S {}
trait Trait2 {
fn bar() {}
}
impl Trait2 for &S {}
impl Trait2 for &mut S {}
fn main() {
let _ = <&str>::from("value");
//~^ ERROR the trait bound `str: From<_>` is not satisfied
//~| ERROR the size for values of type `str` cannot be known at compilation time
let _ = <&mut S>::foo();
//~^ ERROR the trait bound `S: Trait` is not satisfied
let _ = <&S>::foo();
let _ = <&mut S>::foo();
//~^ ERROR the trait bound `S: Trait` is not satisfied
let _ = <&mut S>::foo();
//~^ ERROR the trait bound `S: Trait` is not satisfied
let _ = <&mut S>::bar();
//~^ ERROR the trait bound `S: Trait2` is not satisfied
let _ = <&S>::bar();
//~^ ERROR the trait bound `S: Trait2` is not satisfied
}

View file

@ -4,8 +4,12 @@ struct S;
trait Trait {
fn foo() {}
}
impl Trait for &S {}
impl Trait for &mut S {}
trait Trait2 {
fn bar() {}
}
impl Trait2 for &S {}
impl Trait2 for &mut S {}
fn main() {
let _ = &str::from("value");
//~^ ERROR the trait bound `str: From<_>` is not satisfied
@ -14,4 +18,10 @@ fn main() {
//~^ ERROR the trait bound `S: Trait` is not satisfied
let _ = &S::foo();
//~^ ERROR the trait bound `S: Trait` is not satisfied
let _ = S::foo();
//~^ ERROR the trait bound `S: Trait` is not satisfied
let _ = &mut S::bar();
//~^ ERROR the trait bound `S: Trait2` is not satisfied
let _ = &S::bar();
//~^ ERROR the trait bound `S: Trait2` is not satisfied
}

View file

@ -1,5 +1,5 @@
error[E0277]: the trait bound `str: From<_>` is not satisfied
--> $DIR/dont-suggest-borrowing-existing-borrow.rs:10:14
--> $DIR/dont-suggest-borrowing-existing-borrow.rs:14:14
|
LL | let _ = &str::from("value");
| ^^^ the trait `From<_>` is not implemented for `str`
@ -17,35 +17,71 @@ LL | let _ = <&str>::from("value");
| + +
error[E0277]: the trait bound `S: Trait` is not satisfied
--> $DIR/dont-suggest-borrowing-existing-borrow.rs:13:18
--> $DIR/dont-suggest-borrowing-existing-borrow.rs:17:18
|
LL | let _ = &mut S::foo();
| ^ the trait `Trait` is not implemented for `S`
|
= help: the following other types implement trait `Trait`:
&S
&mut S
= help: the trait `Trait` is implemented for `&mut S`
help: you likely meant to call the associated function `foo` for type `&mut S`, but the code as written calls associated function `foo` on type `S`
|
LL | let _ = <&mut S>::foo();
| + +
error[E0277]: the trait bound `S: Trait` is not satisfied
--> $DIR/dont-suggest-borrowing-existing-borrow.rs:15:14
--> $DIR/dont-suggest-borrowing-existing-borrow.rs:19:14
|
LL | let _ = &S::foo();
| ^ the trait `Trait` is not implemented for `S`
|
= help: the following other types implement trait `Trait`:
&S
&mut S
= help: the trait `Trait` is implemented for `&mut S`
help: you likely meant to call the associated function `foo` for type `&S`, but the code as written calls associated function `foo` on type `S`
|
LL | let _ = <&S>::foo();
LL - let _ = &S::foo();
LL + let _ = <&mut S>::foo();
|
error[E0277]: the trait bound `S: Trait` is not satisfied
--> $DIR/dont-suggest-borrowing-existing-borrow.rs:21:13
|
LL | let _ = S::foo();
| ^ the trait `Trait` is not implemented for `S`
|
help: consider mutably borrowing here
|
LL | let _ = <&mut S>::foo();
| +++++ +
error[E0277]: the trait bound `S: Trait2` is not satisfied
--> $DIR/dont-suggest-borrowing-existing-borrow.rs:23:18
|
LL | let _ = &mut S::bar();
| ^ the trait `Trait2` is not implemented for `S`
|
= help: the following other types implement trait `Trait2`:
&S
&mut S
help: you likely meant to call the associated function `bar` for type `&mut S`, but the code as written calls associated function `bar` on type `S`
|
LL | let _ = <&mut S>::bar();
| + +
error[E0277]: the trait bound `S: Trait2` is not satisfied
--> $DIR/dont-suggest-borrowing-existing-borrow.rs:25:14
|
LL | let _ = &S::bar();
| ^ the trait `Trait2` is not implemented for `S`
|
= help: the following other types implement trait `Trait2`:
&S
&mut S
help: you likely meant to call the associated function `bar` for type `&S`, but the code as written calls associated function `bar` on type `S`
|
LL | let _ = <&S>::bar();
| + +
error[E0277]: the size for values of type `str` cannot be known at compilation time
--> $DIR/dont-suggest-borrowing-existing-borrow.rs:10:14
--> $DIR/dont-suggest-borrowing-existing-borrow.rs:14:14
|
LL | let _ = &str::from("value");
| ^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
@ -53,6 +89,6 @@ LL | let _ = &str::from("value");
= help: the trait `Sized` is not implemented for `str`
= note: the return type of a function must have a statically known size
error: aborting due to 4 previous errors
error: aborting due to 7 previous errors
For more information about this error, try `rustc --explain E0277`.