using a build from this morning.

> db.system.js.find()
> db.system.js.save({"_id": "foo", "value": function { return x + 1; }})
> db.system.js.find()
{ "id" : "foo", "value" : function cf3f

{ return x + 1; }

}
> db.eval("function()

{ foo.apply(this, arguments)}

", 1)
null
> db.eval("function()

{ return foo.apply(this, arguments)}", 1)
2
> db.system.js.remove()
> db.eval("function() { return foo.apply(this, arguments)}

", 1)
2
> db.system.js.find()
> db.eval("function()

{ return foo.apply(this, arguments)}

", 1)
2