From: Yukihiro Matsumoto <matz@...>
Date: 2005-08-03T08:08:08+09:00
Subject: Re: [RCR] array or with non-array

Hi,

In message "Re: [RCR] array or with non-array"
    on Wed, 3 Aug 2005 07:34:27 +0900, Eric Mahurin <eric_mahurin@yahoo.com> writes:

|1) methods have multiple functionalities based on the types of
|the arguments (usually exact class not just respond_to?).

Usually using duck types, for example "to_str" for string-like
objects.  It it's not, I consider it a bug.

|2) even where a method only has one functionality (or the
|multiple functionalites are determined by means other than arg
|type/capabilities - flags, number of args, etc), many/most
|built-in methods can't take args that have the same
|capabilities as what is excepted - they only take a certain
|type or maybe one derived from it.

Example, please?

							matz.