Juan Pablo Romero Méndez wrote:
> 2016-08-09 12:06 GMT-07:00 Paul Rubin <no.email@nospam.invalid>:
>
>> Juan Pablo Romero Méndez <jpablo.rom...@gmail.com> writes:
>> > In online forums sometimes people complain that they end up having to
>> > test constantly for None
>>
>> That's something of a style issue. You can code in a way that avoids a
>> lot of those tests (not all of them).
>>
>
>
> This is exactly what I'm looking for :). Do you have any resource (blog /
> book, etc) that discusses this style?
>
It's not a style, it's the absence of one.
def add2list(lst, elem):
lst.extend([elem, elem])
return lst
I did all the type checking I needed to there; none whatsoever. If
passed a list, or something that behaves like one, that does the
expected thing.
If passed an ExtensionLadder, it probably does the wrong thing, but that
is no way my problem.
--
Rob Gaddi, Highland Technology -- www.highlandtechnology.com
Email address domain is currently out of order. See above to fix.
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