From: Glenn Parker <glenn.parker@...>
Date: 2005-04-04T21:19:26+09:00
Subject: Re: Ruby rite (Ruby 2.0) vaporware or real?

Luke Graham wrote:
> 
> The app could test any object that claims to implement the interface
> by ...
> 
> AnInterface.instance_methods.each { |pm|
>   object.respond_to? pm ? raise "Bad object!"
> }

Duck typing does not require that every class implement every possible 
method in a given interface, so this test would be too broad.

But this thread gets me thinking that those who want some "compile-time" 
style type-checking could implement a DSL to assist themselves in Ruby.

-- 
Glenn Parker | glenn.parker-AT-comcast.net | <http://www.tetrafoil.com/>