bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/syntax/src/ast/prec.rs')
-rw-r--r--crates/syntax/src/ast/prec.rs12
1 files changed, 12 insertions, 0 deletions
diff --git a/crates/syntax/src/ast/prec.rs b/crates/syntax/src/ast/prec.rs
index 2a50d233c3..a6c04b0650 100644
--- a/crates/syntax/src/ast/prec.rs
+++ b/crates/syntax/src/ast/prec.rs
@@ -575,3 +575,15 @@ impl Expr {
}
}
}
+
+impl ast::Type {
+ pub fn needs_parens_in(&self, parent: &SyntaxNode) -> bool {
+ if !matches!(self, ast::Type::DynTraitType(_)) {
+ return false;
+ }
+ let kind = parent.kind();
+ ast::CastExpr::can_cast(kind)
+ || ast::RefType::can_cast(kind)
+ || ast::PtrType::can_cast(kind)
+ }
+}