From: Austin Ziegler <austin@...>
Date: 2003-11-21T10:24:33+09:00
Subject: Re: New Type Checking System Idea

On Fri, 21 Nov 2003 09:54:08 +0900, Sean O'Dell wrote:
> It looks like too much happens at run-time, always checking and
> querying for certain methods, etc. Also, the concept of a whole
> interface, rather than querying for a set of required methods, I
> always think is easier to grasp.

For all intents and purposes, there is no such thing as "compile-
time" in Ruby. Yes, Ruby does go through an AST parser, but compile-
time optimizations won't work in Ruby because any method can be
redefined. At any time, and this invokes compile-time again.

-austin
--
austin ziegler    * austin@halostatue.ca * Toronto, ON, Canada
software designer * pragmatic programmer * 2003.11.20
                                         * 20.22.25