From: Gavin Sinclair <gsinclair@...>
Date: 2002-09-13T14:53:26+09:00
Subject: Re: Larry Wall's comments on Ruby


----- Original Message -----
From: "Christoph" <chr_news@gmx.net>
Newsgroups: comp.lang.ruby

> Actually I don't really mind so much writing abs(x) or sin(x)
> but I just cannot get over the ``Math'' prefixes Math.cos(x),
> Math.sin(x) ....  they are reaaally tacky.
>
> In the absence of Namespaces (which are a much better
> solution then the proposed Numeric mixins)  things would
> not be that bad if Math was at least a class (with disabled
> new/allocate) - at least I could write
>
> class MyMathNameSpace < Math; end
>
> class << MyMathNameSpace
>     def  sin_squared(x)
>             sin(x) * sin(x)
>     end
> end

Pardon my ignorance, but I don't see what the alternative to Match.cos(x) is,
nor do I understand the talk of namespaces.  The only alternative to
Math.cos(x) is Kernel::cos(x), isn't it?  That would eventually lead to name
clashes.  Is namespaces a solution here?

> /Christoph

Gavin