From: Hal Fulton <hal9000@...>
Date: 2006-09-21T08:59:45+09:00
Subject: Re: [ANN] Ducktator - A Duck Type Validator

Ola Bini wrote:
> 
> I beg to differ, and according to the pick-axe, this interpretation is 
> correct. Duck-typing isn't to *trust* your callers. Duck typing is to 
> check if something quacks like a duck and walks like a duck. Well, me 
> calling respond_to? checks if the object quacks and walks. What you are 
> describing isn't a technique, it is the absence of a technique.
> 

Austin is right. If you're checking types, that isn't duck typing.

Hal