On 27/05/2006 7:10 AM, Jeremy L. Moles wrote:
> On Sat, 2006-05-27 at 06:22 +1000, John Machin wrote:
>> On 27/05/2006 2:54 AM, Jeremy L. Moles wrote:
>>
>> ["chop" snipped]
>>
>>> Furthermore, what do people think about the idea of adding a truly
>>> empty, no-op global lambda somewhere in Python?
Jeremy L. Moles>It's just an iterative way to say, "Okay, give me some
default behavior for everything, and I'll come back around later and
set the explicit handlers later."<
There's some correlation with the Null Object pattern:
http://www.cs.oberlin.edu/~jwalker/nullObjPattern/
Bye,
bearophile
On 27/05/2006 6:41 AM, Paul Rubin wrote:
> John Machin <[EMAIL PROTECTED]> writes:
>> What is the use case? Why write something like """empty(foo, 42,
>> cmd="xyzzy")""" when you could merely write "pass" or nothing at all?
>
> The function might be a parameter to something.
Please bear with me;
On Sat, 2006-05-27 at 06:22 +1000, John Machin wrote:
> On 27/05/2006 2:54 AM, Jeremy L. Moles wrote:
>
> ["chop" snipped]
>
> >
> > Furthermore, what do people think about the idea of adding a truly
> > empty, no-op global lambda somewhere in Python? I use them a lot
>
> What is the use case?
John Machin <[EMAIL PROTECTED]> writes:
> What is the use case? Why write something like """empty(foo, 42,
> cmd="xyzzy")""" when you could merely write "pass" or nothing at all?
The function might be a parameter to something.
--
http://mail.python.org/mailman/listinfo/python-list
On 27/05/2006 2:54 AM, Jeremy L. Moles wrote:
["chop" snipped]
>
> Furthermore, what do people think about the idea of adding a truly
> empty, no-op global lambda somewhere in Python? I use them a lot
What is the use case? Why write something like """empty(foo, 42,
cmd="xyzzy")""" when you cou
"Jeremy L. Moles" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> Furthermore, what do people think about the idea of adding a truly
> empty, no-op global lambda somewhere in Python?
In an important sense, there is no such object as a 'lambda' in Python.
There are only function ob
I've been using the following lambda/function for a number of months now
(I got the idea from someone in #python, though I don't remember who):
def chop(s, n):
"""Chops a sequence, s, into n smaller tuples."""
return zip(*[iter(s)] * n)
...or...
chop = lambda s, n: zip(*[iter(s)
