From: Peter <Peter.Vanbroekhoven@...>
Date: 2004-04-06T04:23:07+09:00
Subject: Re: [bug] Array#fetch weird second argument

> While adding a testcase to rubicon for Array#fetch, I discovered that
> #fetch takes a second argument. However I cannot figure out what its
> purpose are. I have tried with lots of different input.
>
> server> irb
> irb(main):001:0> %w(a b c).fetch(1, 500)
> => "b"
> irb(main):002:0> %w(a b c).fetch(1, -9)
> => "b"
> irb(main):003:0> %w(a b c).fetch(1, nil)
> => "b"

irb(main):004:0> %w(a b c).fetch(10)
IndexError: index 10 out of array
        from (irb):10:in `fetch'
        from (irb):10
        from :0
irb(main):005:0> %w(a b c).fetch(10, 500)
=> 500

Peter