bjoernager/rust
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Remove unnecessary mut binding

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This commit is contained in:
Joshua Nelson 2020-11-28 14:52:25 -05:00
parent 65ecc481fa
commit 870a041262
1 changed files with 1 additions and 2 deletions
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3
compiler/rustc_trait_selection/src/traits/select/mod.rs
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@ -833,11 +833,10 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
/// - it also appears in the backtrace at some position `X`, /// - it also appears in the backtrace at some position `X`,
/// - all the predicates at positions `X..` between `X` and the top are /// - all the predicates at positions `X..` between `X` and the top are
/// also defaulted traits. /// also defaulted traits.
pub fn coinductive_match<I>(&mut self, cycle: I) -> bool pub fn coinductive_match<I>(&mut self, mut cycle: I) -> bool
where where
I: Iterator<Item = ty::Predicate<'tcx>>, I: Iterator<Item = ty::Predicate<'tcx>>,
{ {
let mut cycle = cycle;
cycle.all(|predicate| self.coinductive_predicate(predicate)) cycle.all(|predicate| self.coinductive_predicate(predicate))
} }