| //@ aux-build:block-on.rs |
| //@ edition:2021 |
| //@ build-pass |
| //@ revisions: v0 legacy |
| //@[v0] compile-flags: -Csymbol-mangling-version=v0 |
| //@[legacy] compile-flags: -Csymbol-mangling-version=legacy -Zunstable-options |
| |
| // FIXME(async_closures): When `fn_sig_for_fn_abi` is fixed, remove this. |
| //@ ignore-pass (test emits codegen-time warnings) |
| |
| #![feature(async_closure, noop_waker)] |
| |
| extern crate block_on; |
| |
| use std::future::Future; |
| use std::pin::pin; |
| use std::task::*; |
| |
| async fn call_mut(f: &mut impl async FnMut()) { |
| f().await; |
| } |
| |
| async fn call_once(f: impl async FnOnce()) { |
| f().await; |
| } |
| |
| fn main() { |
| block_on::block_on(async { |
| let mut async_closure = async move || { |
| println!("called"); |
| }; |
| call_mut(&mut async_closure).await; |
| call_once(async_closure).await; |
| }); |
| } |
