added whole system from ola4doc

sys/node_modules/es5-ext/function/#/curry.js

@@ -0,0 +1,24 @@
+'use strict';
+
+var toPosInt     = require('../../number/to-pos-integer')
+  , callable     = require('../../object/valid-callable')
+  , defineLength = require('../_define-length')
+
+  , slice = Array.prototype.slice, apply = Function.prototype.apply
+  , curry;
+
+curry = function self(fn, length, preArgs) {
+	return defineLength(function () {
+		var args = preArgs ?
+				preArgs.concat(slice.call(arguments, 0, length - preArgs.length)) :
+				slice.call(arguments, 0, length);
+		return (args.length === length) ? apply.call(fn, this, args) :
+				self(fn, length, args);
+	}, preArgs ? (length - preArgs.length) : length);
+};
+
+module.exports = function (/*length*/) {
+	var length = arguments[0];
+	return curry(callable(this),
+		isNaN(length) ? toPosInt(this.length) : toPosInt(length));
+};