1
0
Fork 0
firefox/third_party/rust/maybe-async/tests/ui/03-must-be-sync.rs
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

88 lines
1.6 KiB
Rust

#![allow(dead_code)]
#[maybe_async::maybe_async]
trait Trait {
fn sync_fn() {}
async fn declare_async(&self);
async fn async_fn(&self) {
self.declare_async().await
}
}
#[maybe_async::maybe_async]
pub trait PubTrait {
fn sync_fn() {}
async fn declare_async(&self);
async fn async_fn(&self) {
self.declare_async().await
}
}
#[maybe_async::maybe_async]
pub(crate) trait PubCrateTrait {
fn sync_fn() {}
async fn declare_async(&self);
async fn async_fn(&self) {
self.declare_async().await
}
}
#[maybe_async::maybe_async]
async fn async_fn() {}
#[maybe_async::maybe_async]
pub async fn pub_async_fn() {}
#[maybe_async::maybe_async]
pub(crate) async fn pub_crate_async_fn() {}
#[maybe_async::maybe_async]
unsafe fn unsafe_fn() {}
struct Struct;
#[cfg(feature = "is_sync")]
#[maybe_async::must_be_sync]
impl Struct {
fn sync_fn_inherent() {}
async fn declare_async_inherent(&self) {}
async fn async_fn_inherent(&self) {
async { self.declare_async_inherent().await }.await
}
}
#[cfg(feature = "is_sync")]
#[maybe_async::must_be_sync]
impl Trait for Struct {
fn sync_fn() {}
async fn declare_async(&self) {}
async fn async_fn(&self) {
async { self.declare_async().await }.await
}
}
#[cfg(feature = "is_sync")]
fn main() -> std::result::Result<(), ()> {
let s = Struct;
s.declare_async_inherent();
s.async_fn_inherent();
s.declare_async();
s.async_fn();
async_fn();
pub_async_fn();
Ok(())
}
#[cfg(not(feature = "is_sync"))]
#[async_std::main]
async fn main() {}