22 lines
446 B
Rust
22 lines
446 B
Rust
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// edition: 2021
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#![feature(async_fn_in_trait)]
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#![allow(incomplete_features)]
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use std::fmt::Debug;
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use std::hash::Hash;
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trait MyTrait<T, U> {
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async fn foo(&self) -> &(T, U) where T: Debug + Sized, U: Hash;
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}
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//~^^ ERROR the parameter type `U` may not live long enough
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//~| ERROR the parameter type `T` may not live long enough
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impl<T, U> MyTrait<T, U> for (T, U) {
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async fn foo(&self) -> &(T, U) {
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self
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}
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}
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fn main() {}
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