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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1
compiler/rustc_mir_dataflow/src/lib.rs
View file

@ -6,6 +6,7 @@
#![feature(exact_size_is_empty)]
#![feature(in_band_lifetimes)]
#![feature(iter_zip)]
#![feature(let_else)]
#![feature(min_specialization)]
#![feature(once_cell)]
#![feature(stmt_expr_attributes)]

8
compiler/rustc_mir_dataflow/src/rustc_peek.rs
View file

@ -290,9 +290,7 @@ impl<'tcx> RustcPeekAt<'tcx> for MaybeMutBorrowedLocals<'_, 'tcx> {
call: PeekCall,
) {
info!(?place, "peek_at");
let local = if let Some(l) = place.as_local() {
l
} else {
let Some(local) = place.as_local() else {
tcx.sess.span_err(call.span, "rustc_peek: argument was not a local");
return;
};
@ -312,9 +310,7 @@ impl<'tcx> RustcPeekAt<'tcx> for MaybeLiveLocals {
call: PeekCall,
) {
info!(?place, "peek_at");
let local = if let Some(l) = place.as_local() {
l
} else {
let Some(local) = place.as_local() else {
tcx.sess.span_err(call.span, "rustc_peek: argument was not a local");
return;
};