[racket-dev] Typed Racket support for Ephemerons

From: Vincent St-Amour (stamourv at ccs.neu.edu)
Date: Wed Apr 27 10:12:46 EDT 2011

Fixed. Thanks for the report!


At Wed, 27 Apr 2011 11:14:48 +0200,
Pierpaolo Bernardi wrote:
> BTW, I think there are a couple of typos in:
> "15.2 Ephemerons
> An ephemeron [Hayes97] is a generalization of a weak box (see Weak
> Boxes). Instead of just containing one value, an e___m___phemeron
> holds two values: one that is considered the value of the ephemeron
> and another that is the ephemeron’s key. Like the value in a weak box,
> the value in ___and___ ephemeron may be replaced by #f, but when the
> key is no longer reachable (except possibly via weak references)
> instead of when the value is no longer reachable."
> Cheers
> P.
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