Functional defines higher-order methods and functions for functional and function-level programming. It also defines "string lambdas", that allow strings such as `x+1` and `x -> x+1` to be used in some contexts as functions. It is licensed under the MIT License. For more details, see http://osteele.com/sources/javascript/functional/ . Credits: - Oliver Steele -- original author - Dean Edwards -- Array.slice suggestion - henrah -- Function.lambda memoization - Raganwald -- Rhino compatibility - Jesse Hallett -- Spidermonkey shell compatibiilty - Florian Schäfer -- allow leading and trailing spaces in expressions - Angus Croll -- bug fix