[racket-dev] Proposal for a "no-argument"

From: Jos Koot (jos.koot at telefonica.net)
Date: Mon Jul 2 14:31:11 EDT 2012

May be the discussion goes beyond my understanding, in which case sorry for
my noise. Where I need a value distinct from all other values (such as a
no-value), I prepare an empty struct type and export one single instance of
this struct together with its predicate (and nothing else)

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