bjoernager/rust
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if $c:expr { Some($r:expr) } else { None } =>> $c.then(|| $r)

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Maybe Waffle 2023-02-15 11:43:41 +00:00
parent af3c8b2726
commit 8751fa1a9a
54 changed files with 159 additions and 281 deletions
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7
compiler/rustc_trait_selection/src/traits/select/mod.rs
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@ -378,11 +378,8 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
let self_ty = trait_ref.self_ty();
let (trait_desc, self_desc) = with_no_trimmed_paths!({
let trait_desc = trait_ref.print_only_trait_path().to_string();
let self_desc = if self_ty.has_concrete_skeleton() {
Some(self_ty.to_string())
} else {
None
};
let self_desc =
self_ty.has_concrete_skeleton().then(|| self_ty.to_string());
(trait_desc, self_desc)
});
let cause = if let Conflict::Upstream = conflict {