From: Gavin Sinclair <gsinclair@...>
Date: 2010-01-10T14:31:10+09:00
Subject: [ruby-core:27512] Re: Ruby 1.8: Improved Rational performance by 	10%

>> Surely it's time Rational were implemented in C for speed? �If the API
>> is stable, what's there to lose?
>
> Ruby 1.9's Rational is implemented in C and builtined.

Brilliant.  Thanks for the info.  Time to upgrade...

Gavin