What is Expressiveness in a Computer Language

[Darren New]

Matthias Blume wrote:
> There are *tons* of languages that "actually" facilitate abstract data
> types, and some of these languages are actually used by real people.

I don't know of any others in actual use. Could you name a couple?

Note that I don't consider things like usual OO languages (Eiffel, 
Smalltalk, etc) to have "abstract data types".

-- 
   Darren New / San Diego, CA, USA (PST)
     My Bath Fu is strong, as I have
     studied under the Showerin' Monks.