short-circuiting any/all ?

[kj]

In <mailman.1069.1269283393.23598.python-list at python.org> Tim Golden <mail at timgolden.me.uk> writes:

>On 22/03/2010 18:30, kj wrote:
>> Thanks!  I'm glad to know that one can get the short circuiting
>> using a map-type idiom.  (I prefer map over comprehensions when I
>> don't need to define a function just for the purpose of passing it
>> to it.)

>In what way does "map" over "comprehensions" save you defining a function?

>any (map (is_invalid, L))
>any (is_invalid (i) for i in L)

I was talking in the *general* case.  map at the very least requires
a lambda expression, which is a one-time function defintion.

~K