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-rw-r--r--Types/UUID.hs4
1 files changed, 4 insertions, 0 deletions
diff --git a/Types/UUID.hs b/Types/UUID.hs
index 88c261b6e..8a304dffa 100644
--- a/Types/UUID.hs
+++ b/Types/UUID.hs
@@ -7,6 +7,8 @@
module Types.UUID where
+import qualified Data.Map as M
+
-- A UUID is either an arbitrary opaque string, or UUID info may be missing.
data UUID = NoUUID | UUID String
deriving (Eq, Ord, Show, Read)
@@ -18,3 +20,5 @@ fromUUID NoUUID = ""
toUUID :: String -> UUID
toUUID [] = NoUUID
toUUID s = UUID s
+
+type UUIDMap = M.Map UUID String