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Note concrete type being coerced into object

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This commit is contained in:
Michael Goulet 2022-06-19 21:04:06 -07:00
parent 6c0a591dee
commit 862873d20b
29 changed files with 52 additions and 51 deletions
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5
compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
View File

@ -2217,9 +2217,10 @@ fn note_obligation_cause_code<T>(
err.span_note(tcx.def_span(item_def_id), &descr);
}
}
ObligationCauseCode::ObjectCastObligation(_, object_ty) => {
ObligationCauseCode::ObjectCastObligation(concrete_ty, object_ty) => {
err.note(&format!(
"required for the cast to the object type `{}`",
"required for the cast from `{}` to the object type `{}`",
self.ty_to_string(concrete_ty),
self.ty_to_string(object_ty)
));
}

2
src/test/ui/associated-type-bounds/assoc-type-eq-with-dyn-atb-fail.stderr
View File

@ -4,7 +4,7 @@ error[E0277]: the trait bound `String: Copy` is not satisfied
LL | Box::new(AssocNoCopy)
| ^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `String`
|
= note: required for the cast to the object type `dyn Bar<Assoc = <AssocNoCopy as Thing>::Out::{opaque#0}>`
= note: required for the cast from `AssocNoCopy` to the object type `dyn Bar<Assoc = <AssocNoCopy as Thing>::Out::{opaque#0}>`
error: aborting due to previous error

2
src/test/ui/associated-types/associated-types-eq-3.stderr
View File

@ -41,7 +41,7 @@ note: expected this to be `Bar`
|
LL | type A = usize;
| ^^^^^
= note: required for the cast to the object type `dyn Foo<A = Bar>`
= note: required for the cast from `isize` to the object type `dyn Foo<A = Bar>`
error: aborting due to 3 previous errors

2
src/test/ui/associated-types/associated-types-overridden-binding-2.stderr
View File

@ -4,7 +4,7 @@ error[E0271]: type mismatch resolving `<std::vec::IntoIter<u32> as Iterator>::It
LL | let _: &dyn I32Iterator<Item = u32> = &vec![42].into_iter();
| ^^^^^^^^^^^^^^^^^^^^^ expected `i32`, found `u32`
|
= note: required for the cast to the object type `dyn Iterator<Item = u32, Item = i32>`
= note: required for the cast from `std::vec::IntoIter<u32>` to the object type `dyn Iterator<Item = u32, Item = i32>`
error: aborting due to previous error

2
src/test/ui/associated-types/issue-65774-1.stderr
View File

@ -23,7 +23,7 @@ note: required because of the requirements on the impl of `MyDisplay` for `&mut
|
LL | impl<'a, T: MyDisplay> MyDisplay for &'a mut T { }
| ^^^^^^^^^ ^^^^^^^^^
= note: required for the cast to the object type `dyn MyDisplay`
= note: required for the cast from `&mut T` to the object type `dyn MyDisplay`
error: aborting due to 2 previous errors

2
src/test/ui/associated-types/issue-65774-2.stderr
View File

@ -18,7 +18,7 @@ LL | writer.my_write(valref)
| ^^^^^^ the trait `MyDisplay` is not implemented for `T`
|
= help: the trait `MyDisplay` is implemented for `&'a mut T`
= note: required for the cast to the object type `dyn MyDisplay`
= note: required for the cast from `T` to the object type `dyn MyDisplay`
error: aborting due to 2 previous errors

4
src/test/ui/async-await/async-block-control-flow-static-semantics.stderr
View File

@ -37,7 +37,7 @@ error[E0271]: type mismatch resolving `<impl Future<Output = u8> as Future>::Out
LL | let _: &dyn Future<Output = ()> = &block;
| ^^^^^^ expected `()`, found `u8`
|
= note: required for the cast to the object type `dyn Future<Output = ()>`
= note: required for the cast from `impl Future<Output = u8>` to the object type `dyn Future<Output = ()>`
error[E0308]: mismatched types
--> $DIR/async-block-control-flow-static-semantics.rs:12:43
@ -53,7 +53,7 @@ error[E0271]: type mismatch resolving `<impl Future<Output = u8> as Future>::Out
LL | let _: &dyn Future<Output = ()> = &block;
| ^^^^^^ expected `()`, found `u8`
|
= note: required for the cast to the object type `dyn Future<Output = ()>`
= note: required for the cast from `impl Future<Output = u8>` to the object type `dyn Future<Output = ()>`
error[E0308]: mismatched types
--> $DIR/async-block-control-flow-static-semantics.rs:47:44

2
src/test/ui/async-await/issue-86507.stderr
View File

@ -13,7 +13,7 @@ note: captured value is not `Send` because `&` references cannot be sent unless
|
LL | let x = x;
| ^ has type `&T` which is not `Send`, because `T` is not `Sync`
= note: required for the cast to the object type `dyn Future<Output = ()> + Send`
= note: required for the cast from `impl Future<Output = ()>` to the object type `dyn Future<Output = ()> + Send`
help: consider further restricting this bound
|
LL | fn bar<'me, 'async_trait, T: Send + std::marker::Sync>(x: &'me T)

4
src/test/ui/coercion/coerce-issue-49593-box-never-windows.nofallback.stderr
View File

@ -4,7 +4,7 @@ error[E0277]: the trait bound `(): std::error::Error` is not satisfied
LL | /* *mut $0 is coerced to Box<dyn Error> here */ Box::<_ /* ! */>::new(x)
| ^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()`
|
= note: required for the cast to the object type `dyn std::error::Error`
= note: required for the cast from `()` to the object type `dyn std::error::Error`
error[E0277]: the trait bound `(): std::error::Error` is not satisfied
--> $DIR/coerce-issue-49593-box-never-windows.rs:23:49
@ -12,7 +12,7 @@ error[E0277]: the trait bound `(): std::error::Error` is not satisfied
LL | /* *mut $0 is coerced to *mut Error here */ raw_ptr_box::<_ /* ! */>(x)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()`
|
= note: required for the cast to the object type `(dyn std::error::Error + 'static)`
= note: required for the cast from `()` to the object type `(dyn std::error::Error + 'static)`
error: aborting due to 2 previous errors

4
src/test/ui/coercion/coerce-issue-49593-box-never.nofallback.stderr
View File

@ -4,7 +4,7 @@ error[E0277]: the trait bound `(): std::error::Error` is not satisfied
LL | /* *mut $0 is coerced to Box<dyn Error> here */ Box::<_ /* ! */>::new(x)
| ^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()`
|
= note: required for the cast to the object type `dyn std::error::Error`
= note: required for the cast from `()` to the object type `dyn std::error::Error`
error[E0277]: the trait bound `(): std::error::Error` is not satisfied
--> $DIR/coerce-issue-49593-box-never.rs:23:49
@ -12,7 +12,7 @@ error[E0277]: the trait bound `(): std::error::Error` is not satisfied
LL | /* *mut $0 is coerced to *mut Error here */ raw_ptr_box::<_ /* ! */>(x)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()`
|
= note: required for the cast to the object type `(dyn std::error::Error + 'static)`
= note: required for the cast from `()` to the object type `(dyn std::error::Error + 'static)`
error: aborting due to 2 previous errors

4
src/test/ui/const-generics/defaults/trait_objects_fail.stderr
View File

@ -7,7 +7,7 @@ LL | foo(&10_u32);
| required by a bound introduced by this call
|
= help: the trait `Trait<2_u8>` is implemented for `u32`
= note: required for the cast to the object type `dyn Trait`
= note: required for the cast from `u32` to the object type `dyn Trait`
error[E0277]: the trait bound `bool: Traitor<{_: u8}>` is not satisfied
--> $DIR/trait_objects_fail.rs:28:9
@ -18,7 +18,7 @@ LL | bar(&true);
| required by a bound introduced by this call
|
= help: the trait `Traitor<2_u8, 3_u8>` is implemented for `bool`
= note: required for the cast to the object type `dyn Traitor<{_: u8}>`
= note: required for the cast from `bool` to the object type `dyn Traitor<{_: u8}>`
error: aborting due to 2 previous errors

2
src/test/ui/custom_test_frameworks/mismatch.stderr
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@ -6,7 +6,7 @@ LL | #[test]
LL | fn wrong_kind(){}
| ^^^^^^^^^^^^^^^^^ the trait `Testable` is not implemented for `TestDescAndFn`
|
= note: required for the cast to the object type `dyn Testable`
= note: required for the cast from `TestDescAndFn` to the object type `dyn Testable`
= note: this error originates in the attribute macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to previous error

4
src/test/ui/dst/dst-bad-coerce1.stderr
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@ -15,7 +15,7 @@ error[E0277]: the trait bound `Foo: Bar` is not satisfied
LL | let f3: &Fat<dyn Bar> = f2;
| ^^ the trait `Bar` is not implemented for `Foo`
|
= note: required for the cast to the object type `dyn Bar`
= note: required for the cast from `Foo` to the object type `dyn Bar`
error[E0308]: mismatched types
--> $DIR/dst-bad-coerce1.rs:28:27
@ -34,7 +34,7 @@ error[E0277]: the trait bound `Foo: Bar` is not satisfied
LL | let f3: &(dyn Bar,) = f2;
| ^^ the trait `Bar` is not implemented for `Foo`
|
= note: required for the cast to the object type `dyn Bar`
= note: required for the cast from `Foo` to the object type `dyn Bar`
error: aborting due to 4 previous errors

8
src/test/ui/dst/dst-object-from-unsized-type.stderr
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@ -6,7 +6,7 @@ LL | fn test1<T: ?Sized + Foo>(t: &T) {
LL | let u: &dyn Foo = t;
| ^ doesn't have a size known at compile-time
|
= note: required for the cast to the object type `dyn Foo`
= note: required for the cast from `T` to the object type `dyn Foo`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - fn test1<T: ?Sized + Foo>(t: &T) {
@ -21,7 +21,7 @@ LL | fn test2<T: ?Sized + Foo>(t: &T) {
LL | let v: &dyn Foo = t as &dyn Foo;
| ^ doesn't have a size known at compile-time
|
= note: required for the cast to the object type `dyn Foo`
= note: required for the cast from `T` to the object type `dyn Foo`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - fn test2<T: ?Sized + Foo>(t: &T) {
@ -35,7 +35,7 @@ LL | let _: &[&dyn Foo] = &["hi"];
| ^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `str`
= note: required for the cast to the object type `dyn Foo`
= note: required for the cast from `str` to the object type `dyn Foo`
error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
--> $DIR/dst-object-from-unsized-type.rs:23:23
@ -44,7 +44,7 @@ LL | let _: &dyn Foo = x as &dyn Foo;
| ^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `[u8]`
= note: required for the cast to the object type `dyn Foo`
= note: required for the cast from `[u8]` to the object type `dyn Foo`
error: aborting due to 4 previous errors

2
src/test/ui/generic-associated-types/issue-79422.extended.stderr
View File

@ -27,7 +27,7 @@ LL | type VRefCont<'a> = &'a V where Self: 'a;
| ^^^^^
= note: expected trait object `(dyn RefCont<'_, u8> + 'static)`
found reference `&u8`
= note: required for the cast to the object type `dyn MapLike<u8, u8, VRefCont = (dyn RefCont<'_, u8> + 'static)>`
= note: required for the cast from `BTreeMap<u8, u8>` to the object type `dyn MapLike<u8, u8, VRefCont = (dyn RefCont<'_, u8> + 'static)>`
error: aborting due to 2 previous errors

2
src/test/ui/issues/issue-14366.stderr
View File

@ -5,7 +5,7 @@ LL | let _x = "test" as &dyn (::std::any::Any);
| ^^^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `str`
= note: required for the cast to the object type `dyn Any`
= note: required for the cast from `str` to the object type `dyn Any`
help: consider borrowing the value, since `&str` can be coerced into `dyn Any`
|
LL | let _x = &"test" as &dyn (::std::any::Any);

2
src/test/ui/issues/issue-22034.stderr
View File

@ -6,7 +6,7 @@ LL | &mut *(ptr as *mut dyn Fn())
|
= help: the trait `Fn<()>` is not implemented for `()`
= note: wrap the `()` in a closure with no arguments: `|| { /* code */ }`
= note: required for the cast to the object type `dyn Fn()`
= note: required for the cast from `()` to the object type `dyn Fn()`
error: aborting due to previous error

2
src/test/ui/issues/issue-22872.stderr
View File

@ -10,7 +10,7 @@ note: required because of the requirements on the impl of `for<'b> Wrap<'b>` for
|
LL | impl<'b, P> Wrap<'b> for Wrapper<P>
| ^^^^^^^^ ^^^^^^^^^^
= note: required for the cast to the object type `dyn for<'b> Wrap<'b>`
= note: required for the cast from `Wrapper<P>` to the object type `dyn for<'b> Wrap<'b>`
help: consider further restricting the associated type
|
LL | fn push_process<P>(process: P) where P: Process<'static>, <P as Process<'_>>::Item: Iterator {

2
src/test/ui/issues/issue-7013.stderr
View File

@ -11,7 +11,7 @@ note: required because it appears within the type `B`
|
LL | struct B {
| ^
= note: required for the cast to the object type `dyn Foo + Send`
= note: required for the cast from `B` to the object type `dyn Foo + Send`
error: aborting due to previous error

12
src/test/ui/kindck/kindck-impl-type-params.stderr
View File

@ -9,7 +9,7 @@ note: required because of the requirements on the impl of `Gettable<T>` for `S<T
|
LL | impl<T: Send + Copy + 'static> Gettable<T> for S<T> {}
| ^^^^^^^^^^^ ^^^^
= note: required for the cast to the object type `dyn Gettable<T>`
= note: required for the cast from `S<T>` to the object type `dyn Gettable<T>`
help: consider restricting type parameter `T`
|
LL | fn f<T: std::marker::Send>(val: T) {
@ -26,7 +26,7 @@ note: required because of the requirements on the impl of `Gettable<T>` for `S<T
|
LL | impl<T: Send + Copy + 'static> Gettable<T> for S<T> {}
| ^^^^^^^^^^^ ^^^^
= note: required for the cast to the object type `dyn Gettable<T>`
= note: required for the cast from `S<T>` to the object type `dyn Gettable<T>`
help: consider restricting type parameter `T`
|
LL | fn f<T: std::marker::Copy>(val: T) {
@ -43,7 +43,7 @@ note: required because of the requirements on the impl of `Gettable<T>` for `S<T
|
LL | impl<T: Send + Copy + 'static> Gettable<T> for S<T> {}
| ^^^^^^^^^^^ ^^^^
= note: required for the cast to the object type `dyn Gettable<T>`
= note: required for the cast from `S<T>` to the object type `dyn Gettable<T>`
help: consider restricting type parameter `T`
|
LL | fn g<T: std::marker::Send>(val: T) {
@ -60,7 +60,7 @@ note: required because of the requirements on the impl of `Gettable<T>` for `S<T
|
LL | impl<T: Send + Copy + 'static> Gettable<T> for S<T> {}
| ^^^^^^^^^^^ ^^^^
= note: required for the cast to the object type `dyn Gettable<T>`
= note: required for the cast from `S<T>` to the object type `dyn Gettable<T>`
help: consider restricting type parameter `T`
|
LL | fn g<T: std::marker::Copy>(val: T) {
@ -78,7 +78,7 @@ note: required because of the requirements on the impl of `Gettable<String>` for
|
LL | impl<T: Send + Copy + 'static> Gettable<T> for S<T> {}
| ^^^^^^^^^^^ ^^^^
= note: required for the cast to the object type `dyn Gettable<String>`
= note: required for the cast from `S<String>` to the object type `dyn Gettable<String>`
error[E0277]: the trait bound `Foo: Copy` is not satisfied
--> $DIR/kindck-impl-type-params.rs:43:37
@ -92,7 +92,7 @@ note: required because of the requirements on the impl of `Gettable<Foo>` for `S
|
LL | impl<T: Send + Copy + 'static> Gettable<T> for S<T> {}
| ^^^^^^^^^^^ ^^^^
= note: required for the cast to the object type `dyn Gettable<Foo>`
= note: required for the cast from `S<Foo>` to the object type `dyn Gettable<Foo>`
help: consider annotating `Foo` with `#[derive(Copy)]`
|
LL | #[derive(Copy)]

4
src/test/ui/mismatched_types/cast-rfc0401.stderr
View File

@ -220,7 +220,7 @@ LL | let _ = fat_v as *const dyn Foo;
| ^^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `[u8]`
= note: required for the cast to the object type `dyn Foo`
= note: required for the cast from `[u8]` to the object type `dyn Foo`
help: consider borrowing the value, since `&[u8]` can be coerced into `dyn Foo`
|
LL | let _ = &fat_v as *const dyn Foo;
@ -233,7 +233,7 @@ LL | let _ = a as *const dyn Foo;
| ^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `str`
= note: required for the cast to the object type `dyn Foo`
= note: required for the cast from `str` to the object type `dyn Foo`
help: consider borrowing the value, since `&str` can be coerced into `dyn Foo`
|
LL | let _ = &a as *const dyn Foo;

2
src/test/ui/never_type/fallback-closure-wrap.fallback.stderr
View File

@ -10,7 +10,7 @@ LL | | }) as Box<dyn FnMut()>);
|
= note: expected unit type `()`
found type `!`
= note: required for the cast to the object type `dyn FnMut()`
= note: required for the cast from `[closure@$DIR/fallback-closure-wrap.rs:18:40: 21:6]` to the object type `dyn FnMut()`
error: aborting due to previous error

8
src/test/ui/suggestions/derive-macro-missing-bounds.stderr
View File

@ -33,7 +33,7 @@ LL | impl<T: Debug + Trait> Debug for Inner<T> {
| ^^^^^ ^^^^^^^^
= note: 1 redundant requirement hidden
= note: required because of the requirements on the impl of `Debug` for `&c::Inner<T>`
= note: required for the cast to the object type `dyn Debug`
= note: required for the cast from `&c::Inner<T>` to the object type `dyn Debug`
= note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider restricting type parameter `T`
|
@ -55,7 +55,7 @@ LL | impl<T> Debug for Inner<T> where T: Debug, T: Trait {
| ^^^^^ ^^^^^^^^
= note: 1 redundant requirement hidden
= note: required because of the requirements on the impl of `Debug` for `&d::Inner<T>`
= note: required for the cast to the object type `dyn Debug`
= note: required for the cast from `&d::Inner<T>` to the object type `dyn Debug`
= note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider restricting type parameter `T`
|
@ -77,7 +77,7 @@ LL | impl<T> Debug for Inner<T> where T: Debug + Trait {
| ^^^^^ ^^^^^^^^
= note: 1 redundant requirement hidden
= note: required because of the requirements on the impl of `Debug` for `&e::Inner<T>`
= note: required for the cast to the object type `dyn Debug`
= note: required for the cast from `&e::Inner<T>` to the object type `dyn Debug`
= note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider restricting type parameter `T`
|
@ -99,7 +99,7 @@ LL | impl<T: Debug> Debug for Inner<T> where T: Trait {
| ^^^^^ ^^^^^^^^
= note: 1 redundant requirement hidden
= note: required because of the requirements on the impl of `Debug` for `&f::Inner<T>`
= note: required for the cast to the object type `dyn Debug`
= note: required for the cast from `&f::Inner<T>` to the object type `dyn Debug`
= note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider restricting type parameter `T`
|

2
src/test/ui/suggestions/suggest-borrow-to-dyn-object.stderr
View File

@ -8,7 +8,7 @@ LL | check(s);
|
= help: within `OsStr`, the trait `Sized` is not implemented for `[u8]`
= note: required because it appears within the type `OsStr`
= note: required for the cast to the object type `dyn AsRef<Path>`
= note: required for the cast from `OsStr` to the object type `dyn AsRef<Path>`
help: consider borrowing the value, since `&OsStr` can be coerced into `dyn AsRef<Path>`
|
LL | check(&s);

2
src/test/ui/traits/coercion-generic-bad.stderr
View File

@ -5,7 +5,7 @@ LL | let s: Box<dyn Trait<isize>> = Box::new(Struct { person: "Fred" });
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Trait<isize>` is not implemented for `Struct`
|
= help: the trait `Trait<&'static str>` is implemented for `Struct`
= note: required for the cast to the object type `dyn Trait<isize>`
= note: required for the cast from `Struct` to the object type `dyn Trait<isize>`
error: aborting due to previous error

2
src/test/ui/traits/map-types.stderr
View File

@ -5,7 +5,7 @@ LL | let y: Box<dyn Map<usize, isize>> = Box::new(x);
| ^^^^^^^^^^^ the trait `Map<usize, isize>` is not implemented for `Box<dyn Map<isize, isize>>`
|
= help: the trait `Map<K, V>` is implemented for `HashMap<K, V>`
= note: required for the cast to the object type `dyn Map<usize, isize>`
= note: required for the cast from `Box<dyn Map<isize, isize>>` to the object type `dyn Map<usize, isize>`
error: aborting due to previous error

2
src/test/ui/traits/trait-upcasting/type-checking-test-1.stderr
View File

@ -15,7 +15,7 @@ error[E0277]: the trait bound `&dyn Foo: Bar<_>` is not satisfied
LL | let _ = x as &dyn Bar<_>; // Ambiguous
| ^ the trait `Bar<_>` is not implemented for `&dyn Foo`
|
= note: required for the cast to the object type `dyn Bar<_>`
= note: required for the cast from `&dyn Foo` to the object type `dyn Bar<_>`
error: aborting due to 2 previous errors

4
src/test/ui/traits/trait-upcasting/type-checking-test-2.stderr
View File

@ -15,7 +15,7 @@ error[E0277]: the trait bound `&dyn Foo<i32>: Bar<u32>` is not satisfied
LL | let _ = x as &dyn Bar<u32>; // Error
| ^ the trait `Bar<u32>` is not implemented for `&dyn Foo<i32>`
|
= note: required for the cast to the object type `dyn Bar<u32>`
= note: required for the cast from `&dyn Foo<i32>` to the object type `dyn Bar<u32>`
error[E0605]: non-primitive cast: `&dyn Foo<u32>` as `&dyn Bar<_>`
--> $DIR/type-checking-test-2.rs:26:13
@ -34,7 +34,7 @@ error[E0277]: the trait bound `&dyn Foo<u32>: Bar<_>` is not satisfied
LL | let a = x as &dyn Bar<_>; // Ambiguous
| ^ the trait `Bar<_>` is not implemented for `&dyn Foo<u32>`
|
= note: required for the cast to the object type `dyn Bar<_>`
= note: required for the cast from `&dyn Foo<u32>` to the object type `dyn Bar<_>`
error: aborting due to 4 previous errors

8
src/test/ui/unsized/unsized-fn-param.stderr
View File

@ -5,7 +5,7 @@ LL | foo11("bar", &"baz");
| ^^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `str`
= note: required for the cast to the object type `dyn AsRef<Path>`
= note: required for the cast from `str` to the object type `dyn AsRef<Path>`
help: consider borrowing the value, since `&str` can be coerced into `dyn AsRef<Path>`
|
LL | foo11(&"bar", &"baz");
@ -18,7 +18,7 @@ LL | foo12(&"bar", "baz");
| ^^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `str`
= note: required for the cast to the object type `dyn AsRef<Path>`
= note: required for the cast from `str` to the object type `dyn AsRef<Path>`
help: consider borrowing the value, since `&str` can be coerced into `dyn AsRef<Path>`
|
LL | foo12(&"bar", &"baz");
@ -31,7 +31,7 @@ LL | foo21("bar", &"baz");
| ^^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `str`
= note: required for the cast to the object type `dyn AsRef<str>`
= note: required for the cast from `str` to the object type `dyn AsRef<str>`
help: consider borrowing the value, since `&str` can be coerced into `dyn AsRef<str>`
|
LL | foo21(&"bar", &"baz");
@ -44,7 +44,7 @@ LL | foo22(&"bar", "baz");
| ^^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `str`
= note: required for the cast to the object type `dyn AsRef<str>`
= note: required for the cast from `str` to the object type `dyn AsRef<str>`
help: consider borrowing the value, since `&str` can be coerced into `dyn AsRef<str>`
|
LL | foo22(&"bar", &"baz");