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346 lines
11 KiB
Plaintext
346 lines
11 KiB
Plaintext
error: missing angle brackets in associated item path
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--> $DIR/bad-assoc-ty.rs:1:10
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LL | type A = [u8; 4]::AssocTy;
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| ^^^^^^^
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help: types that don't start with an identifier need to be surrounded with angle brackets in qualified paths
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LL | type A = <[u8; 4]>::AssocTy;
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| + +
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error: missing angle brackets in associated item path
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--> $DIR/bad-assoc-ty.rs:5:10
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LL | type B = [u8]::AssocTy;
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| ^^^^
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help: types that don't start with an identifier need to be surrounded with angle brackets in qualified paths
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LL | type B = <[u8]>::AssocTy;
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| + +
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error: missing angle brackets in associated item path
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--> $DIR/bad-assoc-ty.rs:9:10
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LL | type C = (u8)::AssocTy;
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| ^^^^
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help: types that don't start with an identifier need to be surrounded with angle brackets in qualified paths
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LL | type C = <(u8)>::AssocTy;
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| + +
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error: missing angle brackets in associated item path
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--> $DIR/bad-assoc-ty.rs:13:10
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LL | type D = (u8, u8)::AssocTy;
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| ^^^^^^^^
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help: types that don't start with an identifier need to be surrounded with angle brackets in qualified paths
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LL | type D = <(u8, u8)>::AssocTy;
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| + +
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error: missing angle brackets in associated item path
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--> $DIR/bad-assoc-ty.rs:17:10
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LL | type E = _::AssocTy;
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| ^
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help: types that don't start with an identifier need to be surrounded with angle brackets in qualified paths
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LL | type E = <_>::AssocTy;
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| + +
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error: missing angle brackets in associated item path
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--> $DIR/bad-assoc-ty.rs:21:19
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LL | type F = &'static (u8)::AssocTy;
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| ^^^^
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help: types that don't start with an identifier need to be surrounded with angle brackets in qualified paths
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LL | type F = &'static <(u8)>::AssocTy;
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| + +
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error: missing angle brackets in associated item path
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--> $DIR/bad-assoc-ty.rs:27:10
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LL | type G = dyn 'static + (Send)::AssocTy;
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| ^^^^^^^^^^^^^^^^^^^^
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help: types that don't start with an identifier need to be surrounded with angle brackets in qualified paths
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LL | type G = <dyn 'static + (Send)>::AssocTy;
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| + +
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error: missing angle brackets in associated item path
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--> $DIR/bad-assoc-ty.rs:46:10
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LL | type I = ty!()::AssocTy;
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| ^^^^^
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help: types that don't start with an identifier need to be surrounded with angle brackets in qualified paths
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LL | type I = <ty!()>::AssocTy;
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| + +
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error: missing angle brackets in associated item path
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--> $DIR/bad-assoc-ty.rs:39:19
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LL | ($ty: ty) => ($ty::AssocTy);
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| ^^^
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...
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LL | type J = ty!(u8);
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| ------- in this macro invocation
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= note: this error originates in the macro `ty` (in Nightly builds, run with -Z macro-backtrace for more info)
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help: types that don't start with an identifier need to be surrounded with angle brackets in qualified paths
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LL | ($ty: ty) => (<$ty>::AssocTy);
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| + +
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error[E0223]: ambiguous associated type
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--> $DIR/bad-assoc-ty.rs:1:10
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LL | type A = [u8; 4]::AssocTy;
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| ^^^^^^^^^^^^^^^^
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help: if there were a trait named `Example` with associated type `AssocTy` implemented for `[u8; 4]`, you could use the fully-qualified path
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LL | type A = <[u8; 4] as Example>::AssocTy;
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| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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error[E0223]: ambiguous associated type
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--> $DIR/bad-assoc-ty.rs:5:10
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LL | type B = [u8]::AssocTy;
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| ^^^^^^^^^^^^^
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help: if there were a trait named `Example` with associated type `AssocTy` implemented for `[u8]`, you could use the fully-qualified path
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LL | type B = <[u8] as Example>::AssocTy;
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| ~~~~~~~~~~~~~~~~~~~~~~~~~~
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error[E0223]: ambiguous associated type
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--> $DIR/bad-assoc-ty.rs:9:10
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LL | type C = (u8)::AssocTy;
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| ^^^^^^^^^^^^^
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help: if there were a trait named `Example` with associated type `AssocTy` implemented for `u8`, you could use the fully-qualified path
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LL | type C = <u8 as Example>::AssocTy;
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| ~~~~~~~~~~~~~~~~~~~~~~~~
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error[E0223]: ambiguous associated type
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--> $DIR/bad-assoc-ty.rs:13:10
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LL | type D = (u8, u8)::AssocTy;
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| ^^^^^^^^^^^^^^^^^
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help: if there were a trait named `Example` with associated type `AssocTy` implemented for `(u8, u8)`, you could use the fully-qualified path
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LL | type D = <(u8, u8) as Example>::AssocTy;
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| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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error[E0121]: the placeholder `_` is not allowed within types on item signatures for type aliases
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--> $DIR/bad-assoc-ty.rs:17:10
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LL | type E = _::AssocTy;
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| ^ not allowed in type signatures
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error[E0223]: ambiguous associated type
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--> $DIR/bad-assoc-ty.rs:21:19
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LL | type F = &'static (u8)::AssocTy;
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| ^^^^^^^^^^^^^
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help: if there were a trait named `Example` with associated type `AssocTy` implemented for `u8`, you could use the fully-qualified path
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LL | type F = &'static <u8 as Example>::AssocTy;
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| ~~~~~~~~~~~~~~~~~~~~~~~~
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error[E0223]: ambiguous associated type
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--> $DIR/bad-assoc-ty.rs:27:10
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LL | type G = dyn 'static + (Send)::AssocTy;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: if there were a trait named `Example` with associated type `AssocTy` implemented for `(dyn Send + 'static)`, you could use the fully-qualified path
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LL | type G = <(dyn Send + 'static) as Example>::AssocTy;
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| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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warning: trait objects without an explicit `dyn` are deprecated
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--> $DIR/bad-assoc-ty.rs:33:10
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LL | type H = Fn(u8) -> (u8)::Output;
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| ^^^^^^^^^^^^^^
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= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
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= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
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= note: `#[warn(bare_trait_objects)]` on by default
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help: if this is an object-safe trait, use `dyn`
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LL | type H = <dyn Fn(u8) -> (u8)>::Output;
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| ++++ +
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error[E0223]: ambiguous associated type
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--> $DIR/bad-assoc-ty.rs:33:10
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LL | type H = Fn(u8) -> (u8)::Output;
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| ^^^^^^^^^^^^^^^^^^^^^^
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help: use fully-qualified syntax
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LL | type H = <(dyn Fn(u8) -> u8 + 'static) as BitOr>::Output;
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| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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LL | type H = <(dyn Fn(u8) -> u8 + 'static) as IntoFuture>::Output;
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| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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error[E0223]: ambiguous associated type
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--> $DIR/bad-assoc-ty.rs:39:19
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LL | ($ty: ty) => ($ty::AssocTy);
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| ^^^^^^^^^^^^
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...
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LL | type J = ty!(u8);
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| ------- in this macro invocation
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= note: this error originates in the macro `ty` (in Nightly builds, run with -Z macro-backtrace for more info)
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help: if there were a trait named `Example` with associated type `AssocTy` implemented for `u8`, you could use the fully-qualified path
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LL | ($ty: ty) => (<u8 as Example>::AssocTy);
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| ~~~~~~~~~~~~~~~~~~~~~~~~
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error[E0223]: ambiguous associated type
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--> $DIR/bad-assoc-ty.rs:46:10
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LL | type I = ty!()::AssocTy;
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| ^^^^^^^^^^^^^^
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help: if there were a trait named `Example` with associated type `AssocTy` implemented for `u8`, you could use the fully-qualified path
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LL | type I = <u8 as Example>::AssocTy;
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| ~~~~~~~~~~~~~~~~~~~~~~~~
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error[E0121]: the placeholder `_` is not allowed within types on item signatures for functions
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--> $DIR/bad-assoc-ty.rs:51:13
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LL | fn foo<X: K<_, _>>(x: X) {}
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| ^ ^ not allowed in type signatures
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| |
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| not allowed in type signatures
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help: use type parameters instead
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LL | fn foo<X: K<T, T>, T>(x: X) {}
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| ~ ~ +++
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error[E0121]: the placeholder `_` is not allowed within types on item signatures for functions
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--> $DIR/bad-assoc-ty.rs:54:34
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LL | fn bar<F>(_: F) where F: Fn() -> _ {}
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| ^ not allowed in type signatures
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help: use type parameters instead
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LL | fn bar<F, T>(_: F) where F: Fn() -> T {}
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| +++ ~
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error[E0121]: the placeholder `_` is not allowed within types on item signatures for functions
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--> $DIR/bad-assoc-ty.rs:57:19
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LL | fn baz<F: Fn() -> _>(_: F) {}
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| ^ not allowed in type signatures
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help: use type parameters instead
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LL | fn baz<F: Fn() -> T, T>(_: F) {}
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| ~+++
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error[E0121]: the placeholder `_` is not allowed within types on item signatures for structs
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--> $DIR/bad-assoc-ty.rs:60:33
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LL | struct L<F>(F) where F: Fn() -> _;
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| ^ not allowed in type signatures
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help: use type parameters instead
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LL | struct L<F, T>(F) where F: Fn() -> T;
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| +++ ~
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error[E0121]: the placeholder `_` is not allowed within types on item signatures for structs
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--> $DIR/bad-assoc-ty.rs:62:30
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LL | struct M<F> where F: Fn() -> _ {
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| ^ not allowed in type signatures
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help: use type parameters instead
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LL | struct M<F, T> where F: Fn() -> T {
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| +++ ~
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error[E0121]: the placeholder `_` is not allowed within types on item signatures for enums
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--> $DIR/bad-assoc-ty.rs:66:28
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LL | enum N<F> where F: Fn() -> _ {
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| ^ not allowed in type signatures
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help: use type parameters instead
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LL | enum N<F, T> where F: Fn() -> T {
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| +++ ~
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error[E0121]: the placeholder `_` is not allowed within types on item signatures for unions
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--> $DIR/bad-assoc-ty.rs:71:29
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LL | union O<F> where F: Fn() -> _ {
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| ^ not allowed in type signatures
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help: use type parameters instead
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LL | union O<F, T> where F: Fn() -> T {
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| +++ ~
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error[E0121]: the placeholder `_` is not allowed within types on item signatures for traits
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--> $DIR/bad-assoc-ty.rs:77:29
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LL | trait P<F> where F: Fn() -> _ {
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| ^ not allowed in type signatures
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help: use type parameters instead
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LL | trait P<F, T> where F: Fn() -> T {
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| +++ ~
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error[E0121]: the placeholder `_` is not allowed within types on item signatures for functions
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--> $DIR/bad-assoc-ty.rs:82:38
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LL | fn foo<F>(_: F) where F: Fn() -> _ {}
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| ^ not allowed in type signatures
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help: use type parameters instead
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LL | fn foo<F, T>(_: F) where F: Fn() -> T {}
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| +++ ~
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error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
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--> $DIR/bad-assoc-ty.rs:73:5
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LL | foo: F,
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| ^^^^^^
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= note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
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help: wrap the field type in `ManuallyDrop<...>`
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LL | foo: std::mem::ManuallyDrop<F>,
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| +++++++++++++++++++++++ +
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error: aborting due to 29 previous errors; 1 warning emitted
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Some errors have detailed explanations: E0121, E0223, E0740.
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For more information about an error, try `rustc --explain E0121`.
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