From 2ef8af66196f7cc270a0532ea989f2fc6bc6885d Mon Sep 17 00:00:00 2001 From: est31 Date: Sat, 19 Feb 2022 00:48:49 +0100 Subject: Adopt let else in more places --- compiler/rustc_mir_dataflow/src/impls/mod.rs | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-) (limited to 'compiler/rustc_mir_dataflow/src/impls') diff --git a/compiler/rustc_mir_dataflow/src/impls/mod.rs b/compiler/rustc_mir_dataflow/src/impls/mod.rs index 5dc8a003b47..63d935db8ca 100644 --- a/compiler/rustc_mir_dataflow/src/impls/mod.rs +++ b/compiler/rustc_mir_dataflow/src/impls/mod.rs @@ -385,16 +385,14 @@ impl<'tcx> GenKillAnalysis<'tcx> for MaybeInitializedPlaces<'_, 'tcx> { switch_on_enum_discriminant(self.tcx, &self.body, &self.body[block], discr) }); - let (enum_place, enum_def) = match enum_ { - Some(x) => x, - None => return, + let Some((enum_place, enum_def)) = enum_ else { + return; }; let mut discriminants = enum_def.discriminants(self.tcx); edge_effects.apply(|trans, edge| { - let value = match edge.value { - Some(x) => x, - None => return, + let Some(value) = edge.value else { + return; }; // MIR building adds discriminants to the `values` array in the same order as they @@ -507,16 +505,14 @@ impl<'tcx> GenKillAnalysis<'tcx> for MaybeUninitializedPlaces<'_, 'tcx> { switch_on_enum_discriminant(self.tcx, &self.body, &self.body[block], discr) }); - let (enum_place, enum_def) = match enum_ { - Some(x) => x, - None => return, + let Some((enum_place, enum_def)) = enum_ else { + return; }; let mut discriminants = enum_def.discriminants(self.tcx); edge_effects.apply(|trans, edge| { - let value = match edge.value { - Some(x) => x, - None => return, + let Some(value) = edge.value else { + return; }; // MIR building adds discriminants to the `values` array in the same order as they -- cgit 1.4.1-3-g733a5