2 files changed, 40 insertions, 0 deletions

diff --git a/overlays/spm/lib/Data/CaseInsensitive/Instances.hs b/overlays/spm/lib/Data/CaseInsensitive/Instances.hs
new file mode 100644
index 00000000..1476b9d9
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+++ b/overlays/spm/lib/Data/CaseInsensitive/Instances.hs
@@ -0,0 +1,22 @@
+{-# OPTIONS_GHC -fno-warn-orphans #-}
+
+module Data.CaseInsensitive.Instances () where
+
+import Prelude
+
+import Data.CaseInsensitive (CI)
+import qualified Data.CaseInsensitive as CI
+
+import Servant.API.ContentTypes
+
+import Data.Aeson
+
+
+instance MimeRender PlainText a => MimeRender PlainText (CI a) where
+  mimeRender p = mimeRender p . CI.original
+
+instance ToJSON a => ToJSON (CI a) where
+  toJSON = toJSON . CI.original
+
+instance (FromJSON a, CI.FoldCase a) => FromJSON (CI a) where
+  parseJSON = fmap CI.mk . parseJSON
diff --git a/overlays/spm/lib/Data/UUID/Instances.hs b/overlays/spm/lib/Data/UUID/Instances.hs
new file mode 100644
index 00000000..335937d8
--- /dev/null
+++ b/overlays/spm/lib/Data/UUID/Instances.hs
@@ -0,0 +1,18 @@
+{-# OPTIONS_GHC -fno-warn-orphans #-}
+
+module Data.UUID.Instances () where
+
+import Prelude
+import Data.UUID (UUID)
+import qualified Data.UUID as UUID
+import Servant.API.ContentTypes
+
+
+instance MimeRender PlainText UUID where
+  mimeRender p = mimeRender p . UUID.toText
+
+instance MimeRender JSON UUID where
+  mimeRender p = mimeRender p . UUID.toText
+
+instance MimeRender OctetStream UUID where
+  mimeRender p = mimeRender p . UUID.toByteString