From: MenTaLguY <mental@...>
Date: 2008-08-14T08:36:07+09:00
Subject: Re: case statement and ranges

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On Thu, 2008-08-14 at 07:21 +0900, Mini Skirt wrote:
> Now what I would like to have some other cases like when amount is lower
> that 25, but with no minimum, or when it is higher that 123 ...
> I could write something like:
>=20
> case
> when amount =3D=3D=3D (25..50): 42
> when amount =3D=3D=3D (51..66): 78
> when amount =3D=3D=3D (90..123): 99
> when amount < 25: 100
> when amount > 123: 200
> else 0 # this would happen only when amount is in 67...90
> end

If you use version 0.5 my 'case' gem:

require 'rubygems'
require 'case'

case amount
when (25..50): 42
when (51..66): 78
when (90..123): 99
when (Case::Cmp < 25): 100
when (Case::Cmp > 123): 200
else 0
end

-mental

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