! function(t) {
	"use strict";

	function e() {
		var e = this;
		e.reads = [], e.writes = [], e.raf = u.bind(t)
	}

	function n(t) {
		t.scheduled || (t.scheduled = !0, t.raf(i.bind(null, t)))
	}

	function i(t) {
		var e, i = t.writes,
			o = t.reads;
		try {
			r(o), r(i)
		} catch(t) {
			e = t
		}
		if(t.scheduled = !1, (o.length || i.length) && n(t), e) {
			//if(!t.catch) throw e;
			//t.catch(e)
		}
	}

	function r(t) {
		for(var e; e = t.shift();) e()
	}

	function o(t, e) {
		var n = t.indexof(e);
		return !!~n && !!t.splice(n, 1)
	}

	function s(t, e) {
		for(var n in e) e.hasownproperty(n) && (t[n] = e[n])
	}
	var u = t.requestanimationframe || t.webkitrequestanimationframe || t.mozrequestanimationframe || t.msrequestanimationframe || function(t) {
		return settimeout(t, 16)
	};
	e.prototype = {
		constructor: e,
		measure: function(t, e) {
			var i = e ? t.bind(e) : t;
			return this.reads.push(i), n(this), i
		},
		mutate: function(t, e) {
			var i = e ? t.bind(e) : t;
			return this.writes.push(i), n(this), i
		},
		clear: function(t) {
			return o(this.reads, t) || o(this.writes, t)
		},
		extend: function(t) {
			if("object" != typeof t) throw new error("expected object");
			var e = object.create(this);
			return s(e, t), e.fastdom = this, e.initialize && e.initialize(), e
		},
		catch: null
	};
	var a = t.fastdom = t.fastdom || new e;
	"f" == (typeof define)[0] ? define(function() {
		return a
	}): "o" == (typeof module)[0] && (module.exports = a)
}("undefined" != typeof window ? window : this);