On Sun, 22 Jan 2012 03:15:48 -0800, dmitrey wrote: > hi all, > could you consider adding __sum__ method, e.g. Python sum(a) checks does > a have attribute __sum__ and if it has, then a.__sum__() is invoked > instead of Python sum(a). > (for my soft FuncDesigner it would be very essential, I guess for many > other soft as well, e.g. for PuLP, who has to use lpSum, because > ordinary Python sum slows it very much, as well as my funcs, and for > large-scale problems max recursion depth is exeeded). Regards, D.
A cautious +0.5 on that. I think I would need to see more detailed justification before making it +1. -- Steven -- http://mail.python.org/mailman/listinfo/python-list