On 25 August 2011 23:26, Michael van der Gulik mikevdg@gmail.com wrote:
Hi.
Are there really 14 bits free in the Class "format" field?
The comment for Class>>format:
probably yes. There are 12 bits are for identity hash (and 2 more?), and since every instance has own hash value, these bits in format field of class is not used.