identity_wrap: (x) -> -> x result: identity_wrap(identity_wrap(true))()() ok result, 'basic chained function calls' str: 'god' result: str. split(''). reverse(). reverse(). reverse() ok result.join('') is 'dog', 'chained accesses split on period/newline' result: str .split('') .reverse() .reverse() .reverse() ok result.join('') is 'dog', 'chained accesses split on newline/period'