IO.include("frame/Opt.js");

IO.include("frame/Chain.js");

IO.include("frame/Link.js");

IO.include("frame/String.js");

IO.include("frame/Hash.js");

IO.include("frame/Namespace.js");

//IO.include("frame/Reflection.js");

/** A few helper functions to make life a little easier. */

function defined(o) {

	return (o !== undefined);

}

function copy(o) { // todo check for circular refs

	if (o == null || typeof(o) != 'object') return o;

	var c = new o.constructor();

	for(var p in o)	c[p] = copy(o[p]);

	return c;

}

function isUnique(arr) {

	var l = arr.length;

	for(var i = 0; i < l; i++ ) {

		if (arr.lastIndexOf(arr[i]) > i) return false;

	}

	return true;

}

/** Returns the given string with all regex meta characters backslashed. */

RegExp.escapeMeta = function(str) {

	return str.replace(/([$^\\\/()|?+*\[\]{}.-])/g, "\\$1");

}