22 lines
489 B
Rust
22 lines
489 B
Rust
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// edition:2021
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#![feature(return_position_impl_trait_in_trait)]
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#![allow(incomplete_features)]
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use std::future::Future;
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pub trait AsyncTrait {
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fn async_fn(&self, buff: &[u8]) -> impl Future<Output = Vec<u8>>;
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}
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pub struct Struct;
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impl AsyncTrait for Struct {
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fn async_fn<'a>(&self, buff: &'a [u8]) -> impl Future<Output = Vec<u8>> + 'a {
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//~^ ERROR `impl` item signature doesn't match `trait` item signature
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async move { buff.to_vec() }
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}
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}
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fn main() {}
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