From: "Florian Groß" <florgro@...>
Date: 2005-04-11T22:33:58+09:00
Subject: Re: Ocaml and Ruby reflection was Re: Welcome to our (ruby-talk ML)

Richard Cole wrote:

> In Ruby I write a lot of unit tests because I expect errors. Also you 
> can't ask the interpreter what the return type of a function is, or what 
> the types of the arguments are, its all implicit so you need to invest 
> more time documenting the code. But that's a good thing right?
> 
> I'd like to have interfaces in Ruby so I can specify type constraints on 
> arguments and return values, the are constraints there implicitly 
> already, I want to make them explicit. Problem is that getting the 
> addition of interfaces to Ruby right, and finding out how to use them 
> properly, is hard.

I agree and would be interested in your views about 
http://ruby-contract.rubyforge.org/