From: Mark Volkmann <r.mark.volkmann@...>
Date: 2006-01-20T04:40:14+09:00
Subject: Re: My Thought on the "Pickaxe book" (from a Ruby novice)

On 1/19/06, James Edward Gray II <james@grayproductions.net> wrote:
> On Jan 19, 2006, at 12:40 PM, Mark Volkmann wrote:
>
> > For example, in the Hash class, has_key? = include? = key? = member?
> > When I see include? and member? it's not immediately obvious to me
> > whether they test whether a given object is present as a key or a
> > value. has_key? and key? are more clear and I don't see a benefit to
> > having both of them.
>
> That's interesting.  I always use include?() so it doesn't matter if
> I'm dealing with a Hash or an Array.  ;)

That's a good argument for using include? instead of the other possibilities.

> I am sure glad we can both have it our way.

Since you've convinced me of the benefit of your way, I'll make that my way too.

--
R. Mark Volkmann
Partner, Object Computing, Inc.