diff options
| -rw-r--r-- | compiler/rustc_mir_build/src/build/matches/simplify.rs | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/compiler/rustc_mir_build/src/build/matches/simplify.rs b/compiler/rustc_mir_build/src/build/matches/simplify.rs index 7322e578f25..83922dce327 100644 --- a/compiler/rustc_mir_build/src/build/matches/simplify.rs +++ b/compiler/rustc_mir_build/src/build/matches/simplify.rs @@ -95,9 +95,8 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { debug!(simplified = ?match_pairs, "simplify_match_pairs"); } - /// Given `candidate` that has a single or-pattern for its match-pairs, - /// creates a fresh candidate for each of its input subpatterns passed via - /// `pats`. + /// Create a new candidate for each pattern in `pats`, and recursively simplify tje + /// single-or-pattern case. pub(super) fn create_or_subcandidates<'pat>( &mut self, place: &PlaceBuilder<'tcx>, @@ -119,11 +118,9 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { .collect() } - /// Tries to simplify `match_pair`, returning `Ok(())` if - /// successful. If successful, new match pairs and bindings will - /// have been pushed into the candidate. If no simplification is - /// possible, `Err` is returned and no changes are made to - /// candidate. + /// Tries to simplify `match_pair`, returning `Ok(())` if successful. If successful, new match + /// pairs and bindings will have been pushed into the respective `Vec`s. If no simplification is + /// possible, `Err` is returned. fn simplify_match_pair<'pat>( &mut self, mut match_pair: MatchPair<'pat, 'tcx>, |