gistfile1.txt

'use strict';                                              

var reduceRight = Array.prototype.reduceRight;             
var reduce = Array.prototype.reduce;                       

// (c -> d, b -> c, a -> b...) -> a -> d
var compose = function () {                                
    return reduceRight.bind(arrayify(arguments), applyLeft\
);                                                         
};                                                         

// (a -> b, b -> c, c -> d...) -> a -> d
var pipe = function(){                                     
    return reduce.bind(arrayify(arguments), applyLeft);    
};                                                         

function arrayify (arrayLike) {
    return Array.prototype.slice.call(arrayLike, 0);
}

// a, (a -> a) -> a
function applyLeft (x, fn) {
    return fn(x);
}