map is useless!

[D'Arcy J.M. Cain]

On Mon, 07 Jun 2010 05:27:43 +1000
Lie Ryan <lie.1296 at gmail.com> wrote:
> In the most naive uses, map appears to have no advantage over list
> comprehension; but one thing that map can do that list comprehension
> still can't do without a walk around the park:
> 
> def foo(func, args):
>     g = lambda x: x+1
>     return [func(g, x) for x in args]
> 
> foo(map, [[4, 6, 3], [6, 3, 2], [1, 3, 5]])

foo = lambda x: [y + 1 for y in x]
[foo(x) for x in [[4, 6, 3], [6, 3, 2], [1, 3, 5]]]

Didn't seem like such a long walk.

-- 
D'Arcy J.M. Cain <darcy at druid.net>         |  Democracy is three wolves
http://www.druid.net/darcy/                |  and a sheep voting on
+1 416 425 1212     (DoD#0082)    (eNTP)   |  what's for dinner.