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19 lines
437 B
Rust
19 lines
437 B
Rust
//@ edition:2018
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#![feature(unboxed_closures)]
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use std::future::Future;
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async fn wrapper<F>(f: F)
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//~^ ERROR: expected a `FnOnce(&'a mut i32)` closure, found `i32`
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//~| ERROR: expected a `FnOnce(&'a mut i32)` closure, found `i32`
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where
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F:,
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for<'a> <i32 as FnOnce<(&'a mut i32,)>>::Output: Future<Output = ()> + 'a,
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{
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//~^ ERROR: expected a `FnOnce(&'a mut i32)` closure, found `i32`
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let mut i = 41;
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&mut i;
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}
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fn main() {}
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