rust/tests/ui/async-await/async-fn/higher-ranked-async-fn.rs

33 lines
596 B
Rust

//@ aux-build:block-on.rs
//@ edition:2018
//@ revisions: current next
//@ ignore-compare-mode-next-solver (explicit revisions)
//@[next] compile-flags: -Znext-solver
//@ build-pass (since it ICEs during mono)
#![feature(async_closure)]
extern crate block_on;
use std::future::Future;
async fn f(arg: &i32) {}
async fn func<F>(f: F)
where
F: for<'a> async Fn(&'a i32),
{
let x: i32 = 0;
f(&x).await;
}
fn main() {
block_on::block_on(async {
// Function
func(f).await;
// Regular closure (doesn't capture)
func(|x: &i32| async {});
});
}