From: Jeff Dik <s450r1@...>
Date: 2011-03-30T03:35:21+09:00
Subject: Why can a floating point number be used as an array index?

Why can a floating point number be used as an array index?  Anybody
know of a good use case for this?

irb(main):020:0> [1, 2, 3][0.3]
1
irb(main):021:0> [1, 2, 3][0.9]
1

Just curious,
Jeff