bjoernager/rust
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Remove some unnecessary unwraps

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This commit is contained in:
Esteban Küber 2023-10-13 00:28:49 +00:00
parent df4379b4eb
commit feedd68f80
3 changed files with 16 additions and 9 deletions
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2
compiler/rustc_lint/src/unused.rs
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@ -353,7 +353,7 @@ impl<'tcx> LateLintPass<'tcx> for UnusedResults {
ty::Generator(def_id, ..) => {
// async fn should be treated as "implementor of `Future`"
let must_use = if cx.tcx.generator_is_async(def_id) {
let def_id = cx.tcx.lang_items().future_trait().unwrap();
let def_id = cx.tcx.lang_items().future_trait()?;
is_def_must_use(cx, def_id, span)
.map(|inner| MustUsePath::Opaque(Box::new(inner)))
} else {