From: Martin DeMello <martindemello@...>
Date: 2002-02-13T04:52:10+09:00
Subject: Re: [newbie] make first letter lowercase

Dave Thomas <Dave@pragmaticprogrammer.com> wrote:

> So, perhaps a better way might be to make the concept of exposing a
> substring for manipulation orthogonal to that manipulation. Something
> like:

>   str.expose!(1,2).upcase
>   str.expose!(5,6).tr('a', 'b')

> We could then make it more generic:

>   ary.expose(2,-2)!.sort    # sort all bug first and last elements

> In general, this could probably be done as a mixin on all classes that
> implement slices.

I like this. Pity we can't have a []! operator to stand for general inplace
modifications, though - I'd love to be able to write, frinstnace,
a[0,2]!.upcase.sort and have the return value of everything after the !.
modify the original.

-- 
Martin DeMello