From: Paul Brannan <pbrannan@...>
Date: 2001-10-22T23:18:48+09:00
Subject: [ruby-talk:22964] Re: modified assignments with methods?

On Mon, 22 Oct 2001, Yukihiro Matsumoto wrote:

> Hi,
>
> In message "[ruby-talk:22919] modified assignments with methods?"
>     on 01/10/22, "Mark Hahn" <mchahn@facelink.com> writes:
>
> |then why can't
> |
> |	arr1 = arr1.concat arr2
> |
> |be written as
> |
> |	arr1 concat= arr2
> |
> |???
> |
> |The syntax is unambiguous and this would be very logical.
>
> I agree with the concept, but I'm not sure if there's proper syntax
> for it.
>
> 							matz.

More appropriate, I think, are the "bang methods".  For example, where you
might want to write:

  str gsub= 'a', 'b'

it would be more appropriate to write:

  str.gsub!('a', 'b')

There is no Array#concat!, but there is an Array#<<, which works well.

Paul