1 files changed, 21 insertions, 0 deletions
diff --git a/src/Model/IdGenerator.elm b/src/Model/IdGenerator.elm
new file mode 100644
index 0000000..8bce44f
--- /dev/null
+++ b/src/Model/IdGenerator.elm
@@ -0,0 +1,21 @@
+module Model.IdGenerator
+  ( IdGenerator
+  , initialIdGenerator
+  , getId
+  ) where
+
+import Model.Id (..)
+
+type alias IdGenerator =
+  { counter : Id
+  }
+
+initialIdGenerator =
+  { counter = 0
+  }
+
+getId : IdGenerator -> (Id, IdGenerator)
+getId idGenerator =
+  ( idGenerator.counter
+  , { idGenerator | counter <- idGenerator.counter + 1 }
+  )