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This commit is contained in:
Ayman Nadeem 2020-01-21 16:11:42 -05:00
parent 164672e52a
commit 5970982065
1 changed files with 3 additions and 0 deletions
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semantic-ast/src/Marshal/JSON.hs
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@ -39,6 +39,9 @@ instance (GFields f, Datatype c) => GFields (M1 D c f) where
gfields acc x = gfields ((Text.pack "type", String (Text.pack (datatypeName x))): acc) $ unM1 x
-- gmarshal = gmarshal . unM1 -- using unM1 instead of pattern-matching on M1 in order to express with function composition
-- 1. Need to get the name of the datatype.
-- 2. Pass info along somewhere where we can do something with it.
-- Fold over S1 product types and pass the result to Aeson objects
instance GFields fields => GFields (C1 c fields) where
gfields acc x = gfields acc (unM1 x)