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lol no futures

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nora 2022-11-20 22:06:34 +01:00
parent 5617c76385
commit a226e71cde
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1 changed files with 7 additions and 8 deletions
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15
src/main.rs
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@ -43,15 +43,14 @@ mod fut {
} }
} }
pub struct Empty; pub fn map<T, F>(f: F) -> Map<F>
where
impl Stream for Empty { F: FnMut(String) -> T,
type Item = String; {
loop {}
} }
pub struct Map<F> { pub struct Map<F>(F);
f: F,
}
pub trait FnOnce1<A> { pub trait FnOnce1<A> {
type Output; type Output;
@ -97,7 +96,7 @@ mod fut {
} }
fn main() { fn main() {
let bodies = fut::Empty.map(|url| FutResult(Result::Ok(url))); let bodies = fut::map(|url| FutResult(Result::Ok(url)));
bodies.for_each(|b| async { bodies.for_each(|b| async {
match b { match b {