This is very cool! I remember wanting something like this awhile back but right now I can't remember what for. Anyway, I think it could be useful. Thanks!
On Fri, Mar 27, 2009 at 9:16 PM, Jason Grout <jason-s...@creativetrax.com> wrote: > ... > > One thing that I thought was very interesting was their way of allowing > for custom inline operators in python. It inspired the following > @inline_operator decorator. Would this be useful in Sage? > > class inline_operator: > def __init__(self, function): > self.function = function > self.left = None > self.right = None > > def __rmul__(self, left): > if self.right is None: > self.left = left > return self > else: > right = self.right > self.right = None > return self.function(left, right) > > def __mul__(self, right): > if self.left is None: > self.right = right > return self > else: > left = self.left > self.left = None > return self.function(left, right) > > > # EXAMPLE > > a=[1,2,3] > b=[3,4,5] > > # This emul operator returns the element-wise product of two lists... > @inline_operator > def emul(a,b): > return [i*j for i,j in zip(a,b)] > > # Returns [3,8,15] > a *emul* b > > > > Thanks, > > Jason > > > > > --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
