From: Stephan Mueller <d454d@...>
Date: 2006-04-15T00:07:56+09:00
Subject: Re: map_if, collect_if ???

* ara.t.howard@noaa.gov <ara.t.howard@noaa.gov> [060413 06:04]:

>   harp:~ > cat a.rb
>   a = 1 .. 5
>   b = a.inject([]){|a,i| i[0] == 1 ? a.push(i * 10) : a}
>   p b
> 
>   harp:~ > ruby a.rb
>   [10, 30, 50]

I don't get it: why is i[0] == 1 returning true in case i is an integer
with an odd value? 


Thanks & cheers,

Steph.