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-rw-r--r--src/delegate.erl3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/delegate.erl b/src/delegate.erl
index 44a909dc5f..15a15cf9a3 100644
--- a/src/delegate.erl
+++ b/src/delegate.erl
@@ -234,6 +234,9 @@ code_change(_OldVsn, State, _Extra) ->
%%----------------------------------------------------------------------------
+%% A two level nested dictionary, with the second level being
+%% bidirectional. i.e. we map A->B->C and A->C->B.
+
ddict_new() -> dict:new().
ddict_store(Key, Val1, Val2, Dict) ->