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Re: what are #!KEY &c.?

This page is part of the web mail archives of SRFI 89 from before July 7th, 2015. The new archives for SRFI 89 contain all messages, not just those from before July 7th, 2015.

Marc Feeley wrote:
Some Scheme systems still use the #!foo syntax for some objects (Gambit and Chez Scheme use #!eof to denote the end-of-file object).

So does Kawa, which also has:
#!void - same as (values):  The result of "void expressions".
#!null - Java null.
#!default and #!undefined - used mainly internally.
	--Per Bothner
per@bothner.com   http://per.bothner.com/