From: "Martin C. Martin" <martin@...>
Date: 2007-01-27T09:24:24+09:00
Subject: Re: pass by reference?



Phrogz wrote:
> If you pass an immutable type by reference, does it make a sound?
> Er, I mean...
> If you passed an immutable type by reference, how would you know that
> it wasn't passed by value?

Is there any way for the function you're calling to modify the value of 
the variable in the caller?  Pass by reference can do that.

- Martin