Changes for version 1.42
- Allow get_and_set callback to return an empty list which means "no change". This allows atomic "get, and set if not present" type action, but without resetting the expiry time on each get. This is basically the same as using the read_cb
Modules
Uses an mmap'ed file to act as a shared memory interprocess cache
Provides
in lib/Cache/FastMmap.pm