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Diffstat (limited to 'crates/hir-ty/src/infer/expr.rs')
| -rw-r--r-- | crates/hir-ty/src/infer/expr.rs | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/crates/hir-ty/src/infer/expr.rs b/crates/hir-ty/src/infer/expr.rs index 6d2aa59ea3..d14b3f7140 100644 --- a/crates/hir-ty/src/infer/expr.rs +++ b/crates/hir-ty/src/infer/expr.rs @@ -630,8 +630,15 @@ impl<'a> InferenceContext<'a> { Expr::Cast { expr, type_ref } => { let cast_ty = self.make_ty(type_ref); // FIXME: propagate the "castable to" expectation - let _inner_ty = self.infer_expr_no_expect(*expr); - // FIXME check the cast... + let inner_ty = self.infer_expr_no_expect(*expr); + match (inner_ty.kind(Interner), cast_ty.kind(Interner)) { + (TyKind::Ref(_, _, inner), TyKind::Raw(_, cast)) => { + // FIXME: record invalid cast diagnostic in case of mismatch + self.unify(inner, cast); + } + // FIXME check the other kinds of cast... + _ => (), + } cast_ty } Expr::Ref { expr, rawness, mutability } => { |