[EMAIL PROTECTED] (Alex Martelli) writes: > Stefan Arentz <[EMAIL PROTECTED]> wrote: > > > Miki <[EMAIL PROTECTED]> writes: > > > > > > steps.sort(key = lambda s: s.time) > > > This is why attrgetter in the operator module was invented. > > > from operator import attrgetter > > > ... > > > steps.sort(key=attrgettr("time")) > > > > Personally I prefer the anonymous function over attrgettr :) > > However, Python disagrees with you...: > > brain:~ alex$ python -mtimeit -s'from operator import attrgetter; > L=map(complex,xrange(999))' 'sorted(L, key=lambda x:x.real)' > 1000 loops, best of 3: 567 usec per loop > > brain:~ alex$ python -mtimeit -s'from operator import attrgetter; > L=map(complex,xrange(999))' 'sorted(L, key=attrgetter("real"))' > 1000 loops, best of 3: 367 usec per loop > > A speed-up of 35% is a pretty clear indicator of what _Python_ "prefers" > in this situation:-).
I could not care less :-) S. -- http://mail.python.org/mailman/listinfo/python-list