Parameterized functions of no arguments?
sg552 at hotmail.co.uk
Fri Feb 11 07:25:14 CET 2011
On 11/02/2011 05:42, Ben Finney wrote:
> Rotwang<sg552 at hotmail.co.uk> writes:
>> Here's something that does work:
>> menu = Tkinter.Menu(master, tearoff = 0)
>> for k in x:
>> def f(j = k):
>> [do something that depends on j]
>> menu.add_command(label = str(k), command = f)
>> Still, I'd like to know if there's a more elegant method for creating
>> a set of functions indexed by an arbitrary list.
> That already seems quite elegant to me.
> What part is inelegant to your eye?
I guess the fact that it exploits the way Python evaluates default
function arguments to achieve something other than what they were
intended for. Still, I see that Chris suggested the same solution
(thanks, Chris) so it clearly isn't something that's frowned upon.
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