From: Neil Smith <neil.git@njae.me.uk>
Date: Tue, 3 Dec 2019 17:33:13 +0000 (+0000)
Subject: Now using M.intersectionWith, so no need for Data.Set
X-Git-Url: https://git.njae.me.uk/?a=commitdiff_plain;h=1915ebe9124a2075ed2212a6817f3e441c0c36fb;hp=1915ebe9124a2075ed2212a6817f3e441c0c36fb;p=advent-of-code-19.git

Now using M.intersectionWith, so no need for Data.Set
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