Bug in string.find; was: Re: Proposed PEP: New style indexing, was Re: Bug in slice type

[Steve Holden]

Paul Rubin wrote:
> Steve Holden <steve at holdenweb.com> writes:
> 
>>If you want an exception from your code when 'w' isn't in the string
>>you should consider using index() rather than find.
> 
> 
> The idea is you expect w to be in the string.  If w isn't in the
> string, your code has a bug, and programs with bugs should fail as
> early as possible so you can locate the bugs quickly and easily.  That
> is why, for example, 
> 
>   x = 'buggy'[None]
> 
> raises an exception instead of doing something stupid like returning 'g'.

You did read the sentence you were replying to, didn't you?

regards
  Steve
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