On Mon, Mar 22, 2010 at 8:44 PM, Guido van Rossum <guido at python.org> wrote:
> On Mon, Mar 22, 2010 at 12:33 PM, Raymond Hettinger
> <raymond.hettinger at gmail.com> wrote:
>> While we're on the topic, I think you should consider allowing the Fraction()
>> constructor to accept a decimal input.
>>
>> This corresponds to common schoolbook problems and simple client requests:
>> "Express 3.5 as a fraction".
>>
>> >>> Fraction(Decimal('3.5'))
>> Fraction(7, 2)
>
> There is already a Fraction.from_decimal() class method.
So there is; I'd failed to notice that! So decimal -> fraction
conversion is implemented twice in the Fractions module---once in
__new__ and once in from_decimal. Hmm.
Mark
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