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Define a GSum instance for Rec1.

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Rob Rix 2019-09-23 18:01:06 -04:00
parent 5231b4f282
commit 377fe62b9a
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semantic-tags/src/Tags/Taggable/Precise.hs
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@ -192,3 +192,7 @@ instance (GSum f, GSum g) => GSum (f :+: g) where
type Members (f :+: g) = Members f :+: Members g
gmembers (L1 l) = L1 (gmembers l)
gmembers (R1 r) = R1 (gmembers r)
instance GSum (Rec1 f) where
type Members (Rec1 f) = f
gmembers = unRec1