Using incomes to compute a fair computation to designate the payer

1 files changed, 11 insertions, 0 deletions

diff --git a/src/client/Utils/Dict.elm b/src/client/Utils/Dict.elm
new file mode 100644
index 0000000..dc01b17
--- /dev/null
+++ b/src/client/Utils/Dict.elm
@@ -0,0 +1,11 @@
+module Utils.Dict
+  ( mapValues
+  ) where
+
+import Dict as Dict exposing (..)
+
+mapValues : (a -> b) -> Dict comparable a -> Dict comparable b
+mapValues f = Dict.fromList << List.map (onSecond f) << Dict.toList
+
+onSecond : (a -> b) -> (comparable, a) -> (comparable, b)
+onSecond f tuple = case tuple of (x, y) -> (x, f y)