[Python-Dev] Let's stop eating exceptions in dict lookup

[Fredrik Lundh]

Armin Rigo wrote:

> I know this.  These corner cases are debatable and different answers
> could be seen as correct, as I think is the case for find().  My point
> was different: I was worrying that the recent change in str.find() would
> needlessly send existing and working programs into infinite loops, which
> can be a particularly bad kind of failure for some applications.

since "abc".find("", 0) == 0, I would have thought that a program that 
searched for an empty string in a loop wouldn't get anywhere at all.

</F>