Cameron Laird wrote: > In article <[EMAIL PROTECTED]>, > Paddy <[EMAIL PROTECTED]> wrote: > . > [substantial thread > with many serious > alternatives] > . > . > >You can do things with function attributes > > > >def foo(x): > > foo.static += x > > return foo.static > >foo.static = 0 > . > . > . > My favorite variation is this: > > def accumulator(x): > # On first execution, the attribute is not yet known. > # This technique allows use of accumulator() as a > # function without the "consumer" having to initialize > # it. > if not "static" in dir(accumulator): > accumulator.static = 0 > accumulator.static += x > return accumulator.static > > print accumulator(3) > print accumulator(5)
Thanks Cameron, I'll accumulate this in my toolbox. - pad. -- http://mail.python.org/mailman/listinfo/python-list
