From: Robert Dober <robert.dober@...>
Date: 2008-12-05T03:06:40+09:00
Subject: Re: Enumerable#select used to return actual values

> Almost. There's an important distinction. #reject is an Enumerable
> method. #compact is an Array method.
Ah I did not know.
> B/c of this, #compact can be and
> is implemented much more efficiently.
No, there could/should be a less efficent Enumerable method overridden
by the more efficent Array method
> Plus, it's not suitable for
> Enumerable methods to take arguments
But grep does, right?
R.