added whole system from ola4doc

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

@@ -0,0 +1,20 @@
+'use strict';
+
+var callable = require('../../object/valid-callable')
+  , aFrom    = require('../../array/from')
+
+  , apply = Function.prototype.apply, call = Function.prototype.call
+  , callFn = function (arg, fn) { return call.call(fn, this, arg); };
+
+module.exports = function (fn/*, …fnn*/) {
+	var fns, first;
+	if (!fn) callable(fn);
+	fns = [this].concat(aFrom(arguments));
+	fns.forEach(callable);
+	fns = fns.reverse();
+	first = fns[0];
+	fns = fns.slice(1);
+	return function (arg) {
+		return fns.reduce(callFn, apply.call(first, this, arguments));
+	};
+};