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