mirror of https://github.com/rust-lang/rust
26 lines
555 B
Rust
26 lines
555 B
Rust
//@ aux-build:block-on.rs
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//@ edition:2021
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//@ build-pass
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#![feature(async_closure)]
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extern crate block_on;
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struct NoCopy;
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fn main() {
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block_on::block_on(async {
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async fn call_once(x: impl async Fn()) { x().await }
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// check that `&{async-closure}` implements `async Fn`.
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call_once(&async || {}).await;
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// check that `&{closure}` implements `async Fn`.
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call_once(&|| async {}).await;
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// check that `&fndef` implements `async Fn`.
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async fn foo() {}
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call_once(&foo).await;
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});
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}
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