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_trait_selection/src/traits/object_safety.rs
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@ -647,9 +647,7 @@ fn receiver_is_dispatchable<'tcx>(
debug!("receiver_is_dispatchable: method = {:?}, receiver_ty = {:?}", method, receiver_ty);
let traits = (tcx.lang_items().unsize_trait(), tcx.lang_items().dispatch_from_dyn_trait());
let (unsize_did, dispatch_from_dyn_did) = if let (Some(u), Some(cu)) = traits {
(u, cu)
} else {
let (Some(unsize_did), Some(dispatch_from_dyn_did)) = traits else {
debug!("receiver_is_dispatchable: Missing Unsize or DispatchFromDyn traits");
return false;
};