function clone(what) {
    for (i in what) {
        this[i] = what[i];
    }
}

function extend(subClass, baseClass)
{
   function inheritance() {}
   inheritance.prototype = baseClass.prototype;
   subClass.prototype = new inheritance();
   subClass.prototype.constructor = subClass;
}

  Function.prototype.curry = function() {
    var fn = this, args = Array.prototype.slice.call(arguments);
    return function() {
      return fn.apply(this, args.concat(
        Array.prototype.slice.call(arguments)));
    };
  };

  Function.prototype.partial = function(){
    var fn = this, args = Array.prototype.slice.call(arguments);
    return function(){
      var arg = 0;
      for ( var i = 0; i < args.length && arg < arguments.length; i++ )
        if ( args[i] === undefined )
          args[i] = arguments[arg++];
      return fn.apply(this, args);
    };
  };