From: Ilmari Heikkinen <kig@...>
Date: 2005-01-14T22:41:45+09:00
Subject: Re: Duck Typing and automated Conversions

Hi,

On 14.1.2005, at 15:31, David A. Black wrote:
>> def silly_example(ostr, ocount, str=ostr.to_str, count=ocount.to_int)
>
> Yes except that then someone could call it like this:
>
>   silly_example("hi", 1, "hello", 2)
>
> and clobber the conversions you were doing.

Could argue that it's wanted behavior.. "if you want to hack this 
without hacking to_str and to_int, replace the defaulted args"

Since this IMHO is pretty much an auto-documented wish for the caller 
to supply objects that act like ducks.