From: Joel VanderWerf <vjoel@...>
Date: 2002-05-23T03:11:43+09:00
Subject: Re: Implementing concatenation in a subclass of Array

Francis Hwang wrote:

> object = object + [2, 3, 4]
> # object is now type Array
> ------
> Any hints as to how I might retain the type?

Use Array#concat. In general, the destructive array methods preserve
type. Some of the non-destructive ones, like #reverse and #sort, do too.