Re: avoiding copying arguments by value when calling a function

[c.]

On 20 Aug 2012, at 15:55, Sergei Steshenko wrote:

> Hello,
> 
> if I understand correctly, if I write a function like this:
> 
> function result = foo(bar)
>  # function body goes here
> endfunction
> 
> and if I call the function this way
> 
> result = foo(bar);
> 
> , the 'bar' argument is copied by value each time 'foo' is called.
> 

This is not generally true, it does get copied if your function modifies "bar", 
if "bar" is not modified it is not copied.
c.