mout/src/function/partial.js

Modular Utilities

define(function () {

    function slice(arr, offset){
        return Array.prototype.slice.call(arr, offset || 0);
    }

    /**
     * Creates a partially applied function.
     */
    function partial(fn, var_args){
        var argsArr = slice(arguments, 1); //curried args
        return function(){
            return fn.apply(this, argsArr.concat(slice(arguments)));
        };
    }

    return partial;

});