1 files changed, 12 insertions, 0 deletions
diff --git a/elm/battlemap/src/Util/List.elm b/elm/battlemap/src/Util/List.elm
new file mode 100644
index 0000000..c4db397
--- /dev/null
+++ b/elm/battlemap/src/Util/List.elm
@@ -0,0 +1,12 @@
+module Util.List exposing (pop)
+
+import List
+
+pop : List a -> (Maybe (a, List a))
+pop l =
+   case
+      ((List.head l), (List.tail l))
+   of
+      (Nothing, _) -> Nothing
+      (_ , Nothing) -> Nothing
+      ((Just head), (Just tail)) -> (Just (head, tail))