From: Farrel Lifson <farrel.lifson@...>
Date: 2007-04-02T22:23:59+09:00
Subject: Re: Map Or Collect Redux

On 02/04/07, Nicholas Milkovits <nmilkovits@gmail.com> wrote:
> arr = [1, 2, 3, 4, 5]
> arr.collect { |x| if x%2 == 0 then x end }.compact
> => [2, 4]
> # Seems like maybe it should be .filter instead of .collect

This is more appropriate for Array#select (or reject).

Personally I  use map exclusively.

Farrel