On 24/01/2015 23:47, Gary Herron wrote: > On 01/24/2015 03:38 PM, Brian Gladman wrote: >> On 24/01/2015 23:22, Chris Angelico wrote: >>> class RF(Fraction): >>> def is_integer(self): >>> return self.numerator % self.denominator == 0 >> Thanks for your help on this. I must admit that nowhere in a lot of >> searching did I find that delegation is achieved by doing nothing! >> >> Brian > > That's *not* "doing nothing". And it's not even really "delegation". > It's just sub-classing Fraction to add one new method and inherit all > other methods.
I realised that - I was being whimsical. I really did want true delgation so that I get an RF returned even when I delegate to Fractions. Brian -- https://mail.python.org/mailman/listinfo/python-list
