From: Christian Neukirchen <chneukirchen@...>
Date: 2005-08-02T22:22:23+09:00
Subject: Re: different order of parameters...

Yukihiro Matsumoto <matz@ruby-lang.org> writes:

> Hi,
>
>
> In message "Re: different order of parameters..."
>     on Tue, 2 Aug 2005 18:11:05 +0900, JZ <usenet@zabiello.com> writes:
> |
> |I'm trying to understand how to call methods in Ruby. Is it possible to
> |call parameters in different order? E.g. in Python it is very clear and
> |simple to use.
> |
> |def fun(a=1,b=2): 
> |  return 'a:%s, b:%s' % (a,b)
> |
> |print fun(b=10, a=20)     # a:20, b:10
> |print fun(b=111)          # a:1, b:111
>
> |Is it possible that such basic and usefull feature is not implemented in
> |Ruby??
>
> No. Keyword arguments like 
>
>    fun(b:20, a:10)
>
> is planned, but named keyword arguments will be separated from
> positional arguments still.

To what extend will these be checked?

I.e., if I have a method

  def foo(argone: 3, argtwo: 42); end

What will happen when I call

  foo(bleh: nil) ?

(and btw, can one write  foo bleh: nil?)

> matz.
-- 
Christian Neukirchen  <chneukirchen@gmail.com>  http://chneukirchen.org