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// ignore-tidy-linelength
// edition:2021
// revisions: classic next
//[next] compile-flags: -Ztrait-solver=next
//[next] check-pass
//[classic] known-bug: #112347
//[classic] build-fail
//[classic] failure-status: 101
//[classic] normalize-stderr-test "note: .*\n\n" -> ""
//[classic] normalize-stderr-test "thread 'rustc' panicked.*\n.*\n" -> ""
//[classic] normalize-stderr-test "(error: internal compiler error: [^:]+):\d+:\d+: " -> "$1:LL:CC: "
//[classic] rustc-env:RUST_BACKTRACE=0
#![feature(unboxed_closures)]
use std::future::Future;
trait Trait {
fn func(&self, _: &str);
}
impl<T> Trait for T
where
for<'a> T: Fn<(&'a str,)> + Send + Sync,
for<'a> <T as FnOnce<(&'a str,)>>::Output: Future<Output = usize> + Send,
{
fn func(&self, _: &str) {
println!("hello!");
}
}
async fn strlen(x: &str) -> usize {
x.len()
}
fn main() {
strlen.func("hi");
}
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