schema_version() ->
<<"beam_stats_v0">>.
--spec interleave(iolist(), iodata()) ->
- iolist().
-interleave([], _) -> [];
-interleave([X], _) -> [X];
+-spec interleave([A], A) ->
+ [A].
+interleave([], _) ->
+ [];
+interleave([X], _) ->
+ [X];
interleave([X|Xs], Sep) ->
[X, Sep | interleave(Xs, Sep)].