{"ast_node_type":"other","tokens":[{"end":107,"kind":"keyword","start":0,"text":"self.consume_block(exp!(OpenParen),"}]}
            self.consume_block(exp!(OpenParen), exp!(CloseParen), ConsumeClosingDelim::No); //eat the block
            let is_empty = self.token == token::CloseParen; //check if the block is empty
            let hi = self.token.span;