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