> This class represents a lambda-message-send, i.e. it keeps all what a
> message send needs:
> receiver, selector, arguments.
> any of its slots can be a free variable or, in own turn, be another
> lambda and so on, without any limitations.

are you aware of this:
http://www.zogotounga.net/comp/squeak/functionaltalk.htm

... one of my mostly unnoticed contribution to Squeak :)

Stef