[Python-3000] Discussions with no PEPs

[Barry Warsaw]

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On Mar 13, 2007, at 12:05 PM, Phillip J. Eby wrote:

> However, more people are under the impression that interface  
> testing is
> safe and pure and smell-free, so there's more of a barrier to  
> overcome for
> them to learn why it's wrong, without them first getting bitten --  
> either
> by their own code or somebody else's.

Phillip, could you sum the argument up as this: being against  
interface testing as just a fancy isinstance() test, but that  
adaptation and/or generics is a better way to go because the former  
is a LBYL pattern while the latter is a Just Do It pattern.

- -Barry

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