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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6
compiler/rustc_errors/src/emitter.rs
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@ -449,11 +449,7 @@ pub trait Emitter {
span: &mut MultiSpan,
children: &mut Vec<SubDiagnostic>,
) {
let source_map = if let Some(ref sm) = source_map {
sm
} else {
return;
};
let Some(source_map) = source_map else { return };
debug!("fix_multispans_in_extern_macros: before: span={:?} children={:?}", span, children);
self.fix_multispan_in_extern_macros(source_map, span);
for child in children.iter_mut() {