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-rw-r--r--src/Conftrack/Source/Trivial.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Conftrack/Source/Trivial.hs b/src/Conftrack/Source/Trivial.hs
index bb06e77..ff22ee9 100644
--- a/src/Conftrack/Source/Trivial.hs
+++ b/src/Conftrack/Source/Trivial.hs
@@ -27,7 +27,7 @@ instance ConfigSource Trivial where
type SourceState Trivial = [Key]
fetchValue key (Trivial tree) = do
case M.lookup key tree of
- Nothing -> pure $ Left NotPresent
+ Nothing -> pure $ Left (NotPresent key)
Just val -> do
modify (key :)
pure $ Right (val, "Trivial source with keys "<> T.pack (show (M.keys tree)))