refactor library

1 files changed, 23 insertions, 0 deletions

diff --git a/src/Store/Exception.hs b/src/Store/Exception.hs
new file mode 100644
index 0000000..245780c
--- /dev/null
+++ b/src/Store/Exception.hs
@@ -0,0 +1,23 @@
+module Store.Exception
+  ( DecodeException (DecodeException),
+    DuplicateField (DuplicateField),
+    ParseError (ParseError),
+  )
+where
+
+import Control.Exception (Exception)
+
+data DecodeException = DecodeException
+  deriving (Show)
+
+instance Exception DecodeException
+
+data DuplicateField = DuplicateField String
+  deriving (Show)
+
+instance Exception DuplicateField
+
+data ParseError = ParseError String
+  deriving (Show)
+
+instance Exception ParseError