From: "Peña, Botp" <botp@...>
Date: 2008-08-22T11:51:40+09:00
Subject: Re: "num in [1,2,3,4]" in a cool way?

From: Iñaki Baz Castillo [mailto:ibc@aliax.net] 
# > num.between?(1,4)
# 
# Great, I didn't know!  :)

careful. it just test the boundaries.

> 2.5.between?(1,4)
=> true

> [1,2,3,4].include? 2.5
=> false

> system "qri between"
---------------------------------------------------- Comparable#between?
     obj.between?(min, max)    => true or false
------------------------------------------------------------------------
     Returns false if obj <=> min is less than zero or if anObject <=>
     max is greater than zero, true otherwise.

        3.between?(1, 5)               #=> true
        6.between?(1, 5)               #=> false
        'cat'.between?('ant', 'dog')   #=> true
        'gnu'.between?('ant', 'dog')   #=> false


kind regards -botp