Simplify implementation of TokenMap.isEmpty.

cardano-foundation · May 31, 2023 · bab0861 · bab0861
1 parent b558f1f
commit bab0861
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/primitive/lib/Cardano/Wallet/Primitive/Types/TokenMap.hs b/lib/primitive/lib/Cardano/Wallet/Primitive/Types/TokenMap.hs
@@ -598,7 +598,7 @@ size = Set.size . getAssets
 -- | Returns true if and only if the given map is empty.
 --
 isEmpty :: TokenMap -> Bool
-isEmpty = (== empty)
+isEmpty = MonoidNull.null
 
 -- | Returns true if and only if the given map is not empty.
 --