On Tue, Oct 26, 2021 at 4:46 PM Rob Cliffe via Python-ideas < [email protected]> wrote:
> There has been support for evaluating all early-bound defaults before > all late-bound defaults. I have been persuaded that this is a > reasonable option. How could that be avoided? by definition, early bound is evaluated "earlier" than late-bound :-) early-bound (i.e. regular) parameters are evaluated at function definition time. But the time we get to the late-bound ones, those are actual values, not expressions. The interpreter could notice that early bound names are used in late-bound expressions and raise an error, but if not, there'd be no issue with when they were evaluated. This could cause a bit of confusion with "getting" that it's not a simple left-to-right rule, but that's the same potential confusion with early vs late bound parameters anyway. -CHB -- Christopher Barker, PhD (Chris) Python Language Consulting - Teaching - Scientific Software Development - Desktop GUI and Web Development - wxPython, numpy, scipy, Cython
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