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//@ edition:2018
async fn foo () { }
fn bar() -> impl std::future::Future { async {} }
fn boo() {}
async fn baz() -> std::io::Result<()> {
foo().await;
boo().await; //~ ERROR `()` is not a future
bar().await;
std::io::Result::Ok(())
}
macro_rules! e {
() => {
()
};
}
macro_rules! f {
($expr:expr) => {
$expr.await
//~^ ERROR `()` is not a future
};
}
async fn with_macros() {
e!().await;
//~^ ERROR `()` is not a future
f!(());
}
// Regression test for issue #117014.
async fn desugaring_span_ctxt() {
for x in [] {}.await //~ ERROR `()` is not a future
}
fn main() {}
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