[Tutor] recursive problem

[Roelof Wobben]

----------------------------------------
> From: steve at pearwood.info
> To: tutor at python.org
> Date: Sun, 12 Sep 2010 03:27:42 +1000
> Subject: Re: [Tutor] recursive problem
>
> On Sun, 12 Sep 2010 03:18:19 am Steven D'Aprano wrote:
>
>> But that hasn't done anything to prevent race conditions. So the real
>> reason people use LBYL is that they're too lazy to write hideously
>> ugly, but reliable, code, and they're just hoping that they will
>> never expose the race condition. (Often this is a pretty safe hope,
>> but not always.)
>
> http://en.wikipedia.org/wiki/Ostrich_algorithm
>
>
> --
> Steven D'Aprano
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Oke,
 
But why is type checking then wrong.
Lets says I want a module who must work on strings, tuple and lists.
 
Can I then use EAFP ?
 
Without type checking I never know which one is used now.
 
Roelof