Hi Stef, #nbBindingOf: is an extension on Behavior from the NativeBoost Core package. I tried and it works:
- using Pharo2.0 Latest update: #20603 - adding http://smalltalkhub.com/#!/~Pharo/NativeBoost - loading latest version of Core, Examples, Pools, Mac, Unix, Win32, Tests All NB tests pass. Thx T.