{"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"self.parse_expr_block(label,"}]}
            self.parse_expr_block(label, lo, BlockCheckMode::Default)
        } else if self.check_noexpect(&token::OpenBrace) || self.token.is_metavar_block() {
        } else if !ate_colon