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-rw-r--r--src/lqueue.erl2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lqueue.erl b/src/lqueue.erl
index 3ab8c9f089..4a8164f6db 100644
--- a/src/lqueue.erl
+++ b/src/lqueue.erl
@@ -25,7 +25,7 @@
-export_type([?MODULE/0]).
--type(?MODULE() :: {non_neg_integer(), ?MODULE()}).
+-opaque(?MODULE() :: {non_neg_integer(), ?MODULE()}).
-type(value() :: any()).
-type(result() :: ({'empty', ?MODULE()} |
{{'value', value()}, ?MODULE()})).