bjoernager/rust
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Adopt let_else across the compiler

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This performs a substitution of code following the pattern:

let <id> = if let <pat> = ... { identity } else { ... : ! };

To simplify it to:

let <pat> = ... { identity } else { ... : ! };

By adopting the let_else feature.
This commit is contained in:
est31 2021-10-16 03:45:14 +02:00
parent c1026539bd
commit 1418df5888
51 changed files with 69 additions and 137 deletions
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9
compiler/rustc_mir_transform/src/uninhabited_enum_branching.rs
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@ -83,12 +83,9 @@ impl<'tcx> MirPass<'tcx> for UninhabitedEnumBranching {
let bb = BasicBlock::from_usize(bb);
trace!("processing block {:?}", bb);
let discriminant_ty =
if let Some(ty) = get_switched_on_type(&body.basic_blocks()[bb], tcx, body) {
ty
} else {
continue;
};
let Some(discriminant_ty) = get_switched_on_type(&body.basic_blocks()[bb], tcx, body) else {
continue;
};
let layout = tcx.layout_of(tcx.param_env(body.source.def_id()).and(discriminant_ty));