Skip parenthesis around tuple struct field calls

2024-12-27 14:25:08 -08:00
parent c95f9f50de
commit 26bb4e6464
4 changed files with 11 additions and 3 deletions
--- a/compiler/rustc_ast_pretty/src/pprust/state/expr.rs
+++ b/compiler/rustc_ast_pretty/src/pprust/state/expr.rs
@@ -213,7 +213,9 @@ impl<'a> State<'a> {

    fn print_expr_call(&mut self, func: &ast::Expr, args: &[P<ast::Expr>], fixup: FixupContext) {
        let needs_paren = match func.kind {
-            ast::ExprKind::Field(..) => true,
+            // In order to call a named field, needs parens: `(self.fun)()`
+            // But not for an unnamed field: `self.0()`
+            ast::ExprKind::Field(_, name) => !name.is_numeric(),
            _ => func.precedence() < ExprPrecedence::Unambiguous,
        };