On Apr 16, 2010, at 2:42 PM, Daniel Stutzbach wrote: > > IIRC, there's a performance hack in dictobject.c that keeps track of whether > all of the keys are strings or not. The hack is designed so that lookup > operations can call the string compare/hash functions directly if possible, > rather than going through the slower PyObject_ functions. > > Consequently, validating **kwds should be cheap. >
Good thinking. That would definitely be better than scanning the full dict on every call. Raymond
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