## RC2 shell
root@rui-linux:/sys/kernel/mm/transparent_hugepage# /ssd2/mongodb-linux-x86_64-2.6.0-rc2/bin/mongo
MongoDB shell version: 2.6.0-rc2
connecting to: test
> t = new ScopedThread("test")
2014-04-03T17:12:51.009-0700 Error: first argument must be a function at src/mongo/shell/utils.js:113
> f = function() {return "";}
function () {return "";}
> t = new ScopedThread(f)
{
        "init" : function init() { [native code] },
        "start" : function start() { [native code] },
        "join" : function join() { [native code] },
        "returnData" : function returnData() { [native code] }
}
>

## RC3 shell
root@rui-linux:/sys/kernel/mm/transparent_hugepage# /ssd2/mongodb-linux-x86_64-2.6.0-rc3/bin/mongo
MongoDB shell version: 2.6.0-rc3
connecting to: test
> f = function() {return "";}
function () {return "";}
> t = new ScopedThread(f)
2014-04-03T17:14:07.873-0700 ReferenceError: ScopedThread is not defined
>