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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4
compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs
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@ -122,9 +122,7 @@ impl Qualif for NeedsNonConstDrop {
Ok([..]) => {}
}
let drop_trait = if let Some(did) = cx.tcx.lang_items().drop_trait() {
did
} else {
let Some(drop_trait) = cx.tcx.lang_items().drop_trait() else {
// there is no way to define a type that needs non-const drop
// without having the lang item present.
return false;