From: Jamis Buck <jgb3@...>
Date: 2004-10-11T13:29:27+09:00
Subject: Re: Change exclusive on Range

trans. (T. Onoma) wrote:
> On Sunday 10 October 2004 10:34 pm, Florian Gross wrote:
> | trans. (T. Onoma) wrote:
> | >   How do I change the end exclusivity of a pre-existing range?
> |
> | In theory this is impossible because Ranges are designed to be immutable
> | objects.
> |
> | For other objects it is possible to change them via .send(:initialize),
> | but Ranges have a check for that.
> |
> | I think the only option would be using evil-ruby, for now.
> |
> | But why do you need this?
> 
> Testing some modifications to Range. One of them is the addition of 
> exclude_first?  Then I wanted to try out this alternate notation:
> 
>   -(0..9)  # exclude end
>   +(0..9)  # exclude first
>   ~(0..9)  # exclude both
> 
> Using unary operators, since they have no other meaning for ranges anyway.

Interesting approach! That's rather novel. Thanks for sharing. :)

- Jamis

-- 
Jamis Buck
jgb3@email.byu.edu
http://www.jamisbuck.org/jamis