#How To Use? A template engine like mustache.js,so according to the mustache.js document,but depot.js has some different. simple expressions of calculating support
var tpl = new String( 'Hi,{{ lastName || middleName }}!How are you?' );
Depot.render( tpl,{ middleName: 'yanDiv' });
#How To Exten? You can according to the depot.extension.js