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Simplify the boolean logic in a closure.

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And rename a closure argument.
This commit is contained in:
Nicholas Nethercote 2023-08-08 14:22:34 +10:00
parent 8e7fd55131
commit 1c583c0b91
1 changed files with 1 additions and 6 deletions
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7
compiler/rustc_trait_selection/src/traits/project.rs
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@ -1230,12 +1230,7 @@ fn opt_normalize_projection_type<'a, 'b, 'tcx>(
};
let mut deduped: SsoHashSet<_> = Default::default();
result.obligations.retain(|projected_obligation| {
if !deduped.insert(projected_obligation.clone()) {
return false;
}
true
});
result.obligations.retain(|obligation| deduped.insert(obligation.clone()));
if use_cache {
infcx.inner.borrow_mut().projection_cache().insert_term(cache_key, result.clone());