From: dblack@...
Date: 2007-01-27T09:15:30+09:00
Subject: Re: pass by reference?

Hi --

On Sat, 27 Jan 2007, Per Velschow wrote:

> Andy Koch wrote:
>> Hello,
>>
>> Is there a way to pass variables by reference into function.
>>
>> I have large string to pass and the pass by value seems to be eating up
>> too much memory.
>>
> Everything is pass-by-reference in Ruby. There is no pass-by-value. So
> your memory problems must have another cause.

I've always looked at it as: pass by value, where the "values" are
(mostly) references.  For example:

   a = "abcde"         # a now contains a reference to that string
   do_something(a)     # pass the reference contained in a


David

-- 
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