1 files changed, 52 insertions, 0 deletions
diff --git a/src/shared/struct/map/shr_map_marker.erl b/src/shared/struct/map/shr_map_marker.erl
new file mode 100644
index 0000000..35ba195
--- /dev/null
+++ b/src/shared/struct/map/shr_map_marker.erl
@@ -0,0 +1,52 @@
+-module(shr_map_marker).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-type name() :: binary().
+-type type() :: 'none'.
+-type collection() :: orddict:orddict(name(), type()).
+
+-export_type([name/0, type/0, collection/0]).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% EXPORTS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-export
+(
+   [
+      get/2,
+      empty_collection/0
+   ]
+).
+
+-export
+(
+   [
+      decode_collection/1,
+      encode_collection/1
+   ]
+).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-spec get (name(), collection()) -> ('not_found' | {'ok', type()}).
+get (Name, Collection) ->
+   case orddict:find(Name, Collection) of
+      error -> not_found;
+      Other -> Other
+   end.
+
+-spec empty_collection () -> collection().
+empty_collection () -> orddict:new().
+
+-spec encode_collection (collection()) -> list(any()).
+encode_collection (_Collection) -> [].
+
+-spec decode_collection (map()) -> collection().
+decode_collection (_Map) -> orddict:new().