On Mon, Mar 12, 2018 at 10:01 PM, Tim Peters <tim.pet...@gmail.com> wrote:
> At heart, the Fraction() constructor is _all about_ creating integer > ratios, so is the most natural place to put knowledge of how to do so. > A protocol for allowing new numeric types to get converted to Fraction > would be more generally useful than just a weird method only datetime > uses ;-) > Ironically, the various Fraction constructors *calls* as_integer_ratio() for floats and Decimals. From which follows IMO that the float and Decimal classes are the right place to encapsulate the knowledge on how to do it. -- --Guido van Rossum (python.org/~guido)
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