From: Martin DeMello <martindemello@...>
Date: 2003-01-23T06:41:34+09:00
Subject: Re: Ruby idiom (0...(expr)).map

Gavin Sinclair <gsinclair@soyabean.com.au> wrote:
> Well, you always have "occasion" to define the "expr" in (0...expr).
> If it's inline and messy, you create an expression variable.

Yeah, but that has an unnecessary feel to it. 

> I can't see that particular idiom disappearing in a hurry.  Have you
> tried the shortcut yourself, with pleasant results?
> 
>  class Fixnum
>    def map(&block)
>      (0...self).map &block
>    end
>  end

Nope - since the main purpose was to make my code read better, I decided
to adopt matz's philosohpy and wait until I've found the perfect name
for it. Fixnum#map doesn't sound right, IMO.

martin