{"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"self.check_decl_num_args(fn_decl);"}]}
        self.check_decl_num_args(fn_decl);
    fn check_fn_decl(&self, fn_decl: &FnDecl, self_semantic: SelfSemantic) {
        self.check_decl_cvariadic_pos(fn_decl);