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-rw-r--r--lib/sasl/doc/src/rel/lists2.2.erl13
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/sasl/doc/src/rel/lists2.2.erl b/lib/sasl/doc/src/rel/lists2.2.erl
new file mode 100644
index 0000000000..734bc36bbb
--- /dev/null
+++ b/lib/sasl/doc/src/rel/lists2.2.erl
@@ -0,0 +1,13 @@
+-module(lists2).
+-vsn(2).
+
+-export([assoc/2, multi_map/2]).
+
+assoc(Key, [{Key, Val} | _]) -> {ok, Val};
+assoc(Key, [H | T]) -> assoc(Key, T);
+assoc(Key, []) -> false.
+
+multi_map(Func, [[] | ListOfLists]) -> [];
+multi_map(Func, ListOfLists) ->
+ [apply(Func, lists:map({erlang, hd}, ListOfLists)) |
+ multi_map(Func, lists:map({erlang, tl}, ListOfLists))].