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13 lines
320 B
Rust
13 lines
320 B
Rust
#![feature(async_closure)]
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// edition:2021
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fn foo<X>(x: impl FnOnce() -> Box<X>) {}
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// just to make sure async closures can still be suggested for boxing.
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fn bar<X>(x: Box<dyn FnOnce() -> X>) {}
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fn main() {
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foo(async move || {}); //~ ERROR mismatched types
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bar(async move || {}); //~ ERROR mismatched types
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}
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