1 files changed, 0 insertions, 121 deletions
diff --git a/src/nouveau/src/nouveau_maps.erl b/src/nouveau/src/nouveau_maps.erl
deleted file mode 100644
index 81a145557..000000000
--- a/src/nouveau/src/nouveau_maps.erl
+++ /dev/null
@@ -1,121 +0,0 @@
-%%
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2013-2021. All Rights Reserved.
-%%
-%% Licensed under the Apache License, Version 2.0 (the "License");
-%% you may not use this file except in compliance with the License.
-%% You may obtain a copy of the License at
-%%
-%%     http://www.apache.org/licenses/LICENSE-2.0
-%%
-%% Unless required by applicable law or agreed to in writing, software
-%% distributed under the License is distributed on an "AS IS" BASIS,
-%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-%% See the License for the specific language governing permissions and
-%% limitations under the License.
-%%
-%% %CopyrightEnd%
-%%
-
-%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
-
-%% backport of OTP 24 map functions not present in 23.
-
--module(nouveau_maps).
-
--export([merge_with/3, foreach/2]).
-
--if(?OTP_RELEASE >= 24).
-merge_with(Combiner, Map1, Map2) ->
-    maps:merge_with(Combiner, Map1, Map2).
-
-foreach(Fun, MapOrIter) ->
-    maps:foreach(Fun, MapOrIter).
-
--else.
-
-merge_with(Combiner, Map1, Map2) when
-    is_map(Map1),
-    is_map(Map2),
-    is_function(Combiner, 3)
-->
-    case map_size(Map1) > map_size(Map2) of
-        true ->
-            Iterator = maps:iterator(Map2),
-            merge_with_1(
-                maps:next(Iterator),
-                Map1,
-                Map2,
-                Combiner
-            );
-        false ->
-            Iterator = maps:iterator(Map1),
-            merge_with_1(
-                maps:next(Iterator),
-                Map2,
-                Map1,
-                fun(K, V1, V2) -> Combiner(K, V2, V1) end
-            )
-    end;
-merge_with(Combiner, Map1, Map2) ->
-    error_with_info(
-        error_type_merge_intersect(Map1, Map2, Combiner),
-        [Combiner, Map1, Map2]
-    ).
-
-merge_with_1({K, V2, Iterator}, Map1, Map2, Combiner) ->
-    case Map1 of
-        #{K := V1} ->
-            NewMap1 = Map1#{K := Combiner(K, V1, V2)},
-            merge_with_1(maps:next(Iterator), NewMap1, Map2, Combiner);
-        #{} ->
-            merge_with_1(maps:next(Iterator), maps:put(K, V2, Map1), Map2, Combiner)
-    end;
-merge_with_1(none, Result, _, _) ->
-    Result.
-
-foreach(Fun, MapOrIter) when is_function(Fun, 2) ->
-    Iter =
-        if
-            is_map(MapOrIter) -> maps:iterator(MapOrIter);
-            true -> MapOrIter
-        end,
-    try maps:next(Iter) of
-        Next ->
-            foreach_1(Fun, Next)
-    catch
-        error:_ ->
-            error_with_info({badmap, MapOrIter}, [Fun, MapOrIter])
-    end;
-foreach(Pred, Map) ->
-    badarg_with_info([Pred, Map]).
-
-foreach_1(Fun, {K, V, Iter}) ->
-    Fun(K, V),
-    foreach_1(Fun, maps:next(Iter));
-foreach_1(_Fun, none) ->
-    ok.
-
-%% We must inline these functions so that the stacktrace points to
-%% the correct function.
--compile({inline, [badarg_with_info/1, error_with_info/2]}).
-
-badarg_with_info(Args) ->
-    erlang:error(badarg, Args, [{error_info, #{module => erl_stdlib_errors}}]).
-
-error_with_info(Reason, Args) ->
-    erlang:error(Reason, Args, [{error_info, #{module => erl_stdlib_errors}}]).
-
-error_type_two_maps(M1, M2) when is_map(M1) ->
-    {badmap, M2};
-error_type_two_maps(M1, _M2) ->
-    {badmap, M1}.
-
-error_type_merge_intersect(M1, M2, Combiner) when is_function(Combiner, 3) ->
-    error_type_two_maps(M1, M2);
-error_type_merge_intersect(_M1, _M2, _Combiner) ->
-    badarg.
-
--endif.