From: pjb@... (Pascal J. Bourguignon)
Date: 2009-01-26T04:33:09+09:00
Subject: Re: How can I get the arguments passed to the caller.

Stefan Kanev <stefan.kanev@gmail.com> writes:

> [Note:  parts of this message were removed to make it a legal post.]
>
> Hey guys.
>
> I have a rather weird question. I want to write a function that
> programatically determines the arguments passed to its caller. Say, if i do
>
> $stuff = []
>
> def bar(arg)
>   foo
> end
>
> def foo
>   first_arg = ....
>   $stuff << first_arg
> end
>
> bar(42)

I don't think this is possible.


> # By this point, $stuff would be [42]
But to get this result you could write:

(def bar(*args)
   ($stuff = args)
 end)

(bar 42)

$stuff --> [42]

> I know it is quite the contrived question, but I'm not interested in doing
> something practical. Any leads?


-- 
__Pascal Bourguignon__