From: dblack@...
Date: 2007-02-21T07:59:22+09:00
Subject: Re: [Facets] Range#overlap?

Hi --

On Wed, 21 Feb 2007, Daniel Schierbeck wrote:

> On Tue, 2007-02-20 at 22:47 +0900, Daniel Finnie wrote:
>> That seems to be what facet/range/within does now.
>
> It's implementation is rather odd, though.
>
> Here's what I'd like to have instead:
>
>  class Range
>    def span? other
>      include? other.first and
>      other.last <= (other.exclude_end? ? last.succ : last)
>    end
>  end

Ranges don't always have lasts that have #succ, though.  Floats don't,
and arbitrary Comparables don't.


David

-- 
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