mirror of https://github.com/rust-lang/rust
87 lines
2.8 KiB
Rust
87 lines
2.8 KiB
Rust
type A = [u8; 4]::AssocTy;
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//~^ ERROR missing angle brackets in associated item path
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//~| ERROR ambiguous associated type
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type B = [u8]::AssocTy;
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//~^ ERROR missing angle brackets in associated item path
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//~| ERROR ambiguous associated type
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type C = (u8)::AssocTy;
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//~^ ERROR missing angle brackets in associated item path
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//~| ERROR ambiguous associated type
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type D = (u8, u8)::AssocTy;
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//~^ ERROR missing angle brackets in associated item path
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//~| ERROR ambiguous associated type
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type E = _::AssocTy;
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//~^ ERROR missing angle brackets in associated item path
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//~| ERROR the placeholder `_` is not allowed within types on item signatures for type aliases
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type F = &'static (u8)::AssocTy;
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//~^ ERROR missing angle brackets in associated item path
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//~| ERROR ambiguous associated type
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// Qualified paths cannot appear in bounds, so the recovery
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// should apply to the whole sum and not `(Send)`.
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type G = dyn 'static + (Send)::AssocTy;
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//~^ ERROR missing angle brackets in associated item path
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//~| ERROR ambiguous associated type
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// This is actually a legal path with fn-like generic arguments in the middle!
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// Recovery should not apply in this context.
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type H = Fn(u8) -> (u8)::Output;
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//~^ ERROR ambiguous associated type
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//~| WARN trait objects without an explicit `dyn` are deprecated
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//~| WARN this is accepted in the current edition
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macro_rules! ty {
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($ty: ty) => ($ty::AssocTy);
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//~^ ERROR missing angle brackets in associated item path
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//~| ERROR ambiguous associated type
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() => (u8);
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}
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type J = ty!(u8);
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type I = ty!()::AssocTy;
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//~^ ERROR missing angle brackets in associated item path
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//~| ERROR ambiguous associated type
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trait K<A, B> {}
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fn foo<X: K<_, _>>(x: X) {}
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//~^ ERROR the placeholder `_` is not allowed within types on item signatures for functions
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fn bar<F>(_: F) where F: Fn() -> _ {}
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//~^ ERROR the placeholder `_` is not allowed within types on item signatures for functions
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fn baz<F: Fn() -> _>(_: F) {}
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//~^ ERROR the placeholder `_` is not allowed within types on item signatures for functions
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struct L<F>(F) where F: Fn() -> _;
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//~^ ERROR the placeholder `_` is not allowed within types on item signatures for structs
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struct M<F> where F: Fn() -> _ {
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//~^ ERROR the placeholder `_` is not allowed within types on item signatures for structs
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a: F,
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}
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enum N<F> where F: Fn() -> _ {
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//~^ ERROR the placeholder `_` is not allowed within types on item signatures for enums
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Foo(F),
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}
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union O<F> where F: Fn() -> _ {
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//~^ ERROR the placeholder `_` is not allowed within types on item signatures for unions
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foo: F,
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//~^ ERROR must implement `Copy`
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}
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trait P<F> where F: Fn() -> _ {
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//~^ ERROR the placeholder `_` is not allowed within types on item signatures for traits
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}
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trait Q {
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fn foo<F>(_: F) where F: Fn() -> _ {}
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//~^ ERROR the placeholder `_` is not allowed within types on item signatures for functions
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}
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fn main() {}
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