class design question (inner classes)

[Roberto Mariottini]

coxalan wrote:
[...]
> This is definitely more elegant than the first example. But here, every object of 
type "s.Permutation" stores a reference to the object "s", which I want 
to avoid.

You can simply declare the inner class as static. This way it won't 
store a reference to its container class.

Ciao