From: Dave Thomas <Dave@...>
Date: 2001-10-31T12:36:01+09:00
Subject: [ruby-talk:23907] Re: References in methods

"Ralph Mason" <ralph.mason@telogis.com> writes:

> It appears that altering a string in a method does not always alter
> the passed in string. Could someone please explain this behavior.

> 
> def func2(x)
>     x+="X"
> end

This is the same as x = x + "X". It generates a brand new string.

x << "X" appends to the existing one.


Regards


Dave