Convert if to match

rust-lang · Apr 14, 2024 · 114d7d1 · 114d7d1
1 parent e8d2221
commit 114d7d1
Showing 1 changed file with 6 additions and 11 deletions.
diff --git a/compiler/rustc_hir_typeck/src/fallback.rs b/compiler/rustc_hir_typeck/src/fallback.rs
@@ -439,17 +439,12 @@ impl<'tcx> FnCtxt<'_, 'tcx> {
  //
  // In practice currently the two ways that this happens is
  // coercion and subtyping.
- let (a, b) = if let ty::PredicateKind::Coerce(ty::CoercePredicate { a, b }) = atom {
- (a, b)
- } else if let ty::PredicateKind::Subtype(ty::SubtypePredicate {
- a_is_expected: _,
- a,
- b,
- }) = atom
- {
- (a, b)
- } else {
- return None;
+ let (a, b) = match atom {
+ ty::PredicateKind::Coerce(ty::CoercePredicate { a, b }) => (a, b),
+ ty::PredicateKind::Subtype(ty::SubtypePredicate { a_is_expected: _, a, b }) => {
+ (a, b)
+ }
+ _ => return None,
  };
 
  let a_vid = self.root_vid(a)?;