Implicit lists

[Dale Strickland-Clark]

alloydflanagan at attbi.com (A. Lloyd Flanagan) wrote:

>In python, if you ever try to explicitly check the type of something,
>you're almost certainly doing it wrong.  You don't care if the thing
>is a list, usually, you want to know if it's a sequence, whether a
>list, tuple, set, or some user-defined type.  So try subscripting it:
>
>def aslist(x):
>   try:
>      x[0]
>   except TypeError:
>      return [x]
>   return x
>
>or just:
>
>try:
>     mangle = [x for x in lst if whatever]
>except TypeError:
>     mangle = [x for x in [lst] if whatever]

x[0] takes the first char of a string and iterating over a string
gives you each character.

Not what I'm after, I'm afraid.
--
Dale Strickland-Clark
Riverhall Systems Ltd