maps: pattern-match absent key?

Daniel Goertzen <[email protected]> Tue, 18 Feb 2014 13:55:33 -0600

Newsgroups	gmane.comp.lang.erlang.patches
Message-ID	<CAJCf5Ryxk7sQuctbgsAjdoC3c4EgFF=FbhGQ-M0zbr-ZQLfLoQ@mail.gmail.com>

Is there a way to pattern-match the absence of a key in a map?

Dan.

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