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Fix bug in match arm type unification

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Marcus Klaas de Vries 2019-01-17 13:47:26 +01:00 • committed by Aleksey Kladov
parent 44e9a9605b
commit 5027c5d4ee
1 changed files with 1 additions and 1 deletions
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2
crates/ra_hir/src/ty.rs
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@ -1143,7 +1143,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
ret_ty ret_ty
} }
Expr::Match { expr, arms } => { Expr::Match { expr, arms } => {
let mut expected = Expectation::none(); let mut expected = expected.clone();
let input_ty = self.infer_expr(*expr, &Expectation::none()); let input_ty = self.infer_expr(*expr, &Expectation::none());
let pat_expectation = Expectation::has_type(input_ty); let pat_expectation = Expectation::has_type(input_ty);