[Python-Dev] PEP 0424: A method for exposing a length hint (original) (raw)

Nick Coghlan ncoghlan at gmail.com
Sun Jul 15 16:08:41 CEST 2012

Right, I agree on the value in being able to return something to say "this cannot be converted to a concrete container".

I still haven't seen a use case where the appropriate response to "I don't know" differs from the appropriate response to a hint of zero - that is, you don't preallocate, you just start iterating.

Cheers, Nick.

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