bjoernager/rust
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suggest == to the rest of assign expr

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This commit is contained in:
Takayuki Maeda 2022-10-05 22:51:22 +09:00
parent 760279f3cc
commit b7c42c55a2
6 changed files with 86 additions and 20 deletions
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8
compiler/rustc_hir_analysis/src/check/expr.rs
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@ -1044,6 +1044,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
let rhs_ty = self.check_expr(&rhs);
let (applicability, eq) = if self.can_coerce(rhs_ty, lhs_ty) {
(Applicability::MachineApplicable, true)
} else if let ExprKind::Binary(
Spanned { node: hir::BinOpKind::And | hir::BinOpKind::Or, .. },
_,
rhs_expr,
) = lhs.kind
{
let actual_lhs_ty = self.check_expr(&rhs_expr);
(Applicability::MaybeIncorrect, self.can_coerce(rhs_ty, actual_lhs_ty))
} else {
(Applicability::MaybeIncorrect, false)
};