[swift-evolution] Proposal: A standard library Fraction type

T.J. Usiyan griotspeak at gmail.com
Mon Dec 7 09:31:46 CST 2015

If your implementation of Rational simplifies immediately, sure. Mine
doesn't and it is useful in many other cases not to as well. You might, for
example, want to present the original numerator/denominator provided by the


On Mon, Dec 7, 2015 at 8:16 PM, Matthew Johnson <matthew at anandabits.com>

> > Musical time signatures and note duration. Visual code with proportional
> relationships.
> Time signatures cannot be properly modeled with a rational type you would
> expect to find in a numerics library.  3/4 is not the same as 6/8 in music!
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