mirror of https://github.com/rust-lang/rust
30 lines
565 B
Rust
30 lines
565 B
Rust
//@ check-pass
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// See https://doc.rust-lang.org/1.77.0/nightly-rustc/rustc_lint/opaque_hidden_inferred_bound/static.OPAQUE_HIDDEN_INFERRED_BOUND.html#example
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#![feature(type_alias_impl_trait)]
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#![allow(dead_code)]
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trait Duh {}
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impl Duh for i32 {}
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trait Trait {
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type Assoc: Duh;
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}
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impl<R: Duh, F: FnMut() -> R> Trait for F {
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type Assoc = R;
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}
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type Sendable = impl Send;
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type Foo = impl Trait<Assoc = Sendable>;
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//~^ WARNING opaque type `Foo` does not satisfy its associated type bounds
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fn foo() -> Foo {
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|| 42
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}
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fn main() {}
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