more readable formatting

Author: patrickdet

src/amqp10_client_session.erl

@@ -657,28 +657,42 @@ translate_terminus_durability(configuration) -> 1;
 translate_terminus_durability(unsettled_state) -> 2.
 
 translate_filters(#{}) -> undefined;
-translate_filters(Filters) -> {map, maps:fold(fun(<<"apache.org:legacy-amqp-direct-binding:string">> = K, V, Acc) when is_binary(V) ->
-                                                [{{symbol, K}, {utf8, V}} | Acc];
-                                                 (<<"apache.org:legacy-amqp-topic-binding:string">> = K, V, Acc) when is_binary(V) ->
-                                                [{{symbol, K}, {utf8, V}} | Acc];
-                                                 (<<"apache.org:legacy-amqp-headers-binding:map">> = K, V, Acc) when is_map(V) ->
-                                                [{{symbol, K}, translate_legacy_amqp_headers_binding(V)} | Acc];
-                                                 (<<"apache.org:no-local-filter:list">> = K, V, Acc) when is_list(V) ->
-                                                [{{symbol, K}, lists:map(fun(Id) -> {utf8, Id} end, V)} | Acc];
-                                                 (<<"apache.org:selector-filter:string">> = K, V, Acc) when is_binary(V) ->
-                                                [{{symbol, K}, {utf8, V}} | Acc]
-                                              end, [], Filters)}.
+translate_filters(Filters) ->
+    {
+        map,
+        maps:fold(
+            fun(<<"apache.org:legacy-amqp-direct-binding:string">> = K, V, Acc) when is_binary(V) ->
+                [{{symbol, K}, {utf8, V}} | Acc];
+            (<<"apache.org:legacy-amqp-topic-binding:string">> = K, V, Acc) when is_binary(V) ->
+                [{{symbol, K}, {utf8, V}} | Acc];
+            (<<"apache.org:legacy-amqp-headers-binding:map">> = K, V, Acc) when is_map(V) ->
+                [{{symbol, K}, translate_legacy_amqp_headers_binding(V)} | Acc];
+            (<<"apache.org:no-local-filter:list">> = K, V, Acc) when is_list(V) ->
+                [{{symbol, K}, lists:map(fun(Id) -> {utf8, Id} end, V)} | Acc];
+            (<<"apache.org:selector-filter:string">> = K, V, Acc) when is_binary(V) ->
+                [{{symbol, K}, {utf8, V}} | Acc]
+            end,
+            [],
+            Filters)
+    }.
 
 % https://people.apache.org/~rgodfrey/amqp-1.0/apache-filters.html
-translate_legacy_amqp_headers_binding(LegacyHeaders) -> {map, maps:fold(fun(<<"x-match">> = K, <<"any">> = V, Acc) ->
-                                                                            [{{utf8, K}, {utf8, V}} | Acc];
-                                                                           (<<"x-match">> = K, <<"all">> = V, Acc) ->
-                                                                            [{{utf8, K}, {utf8, V}} | Acc];
-                                                                           (<<"x-",_/binary>> = K, _, Acc) ->
-                                                                            Acc;
-                                                                           (K, V, Acc) ->
-                                                                            [{{utf8, K}, {utf8, V}} | Acc]
-                                                                        end, [], LegacyHeaders)}.
+translate_legacy_amqp_headers_binding(LegacyHeaders) ->
+    {
+        map,
+        maps:fold(
+            fun(<<"x-match">> = K, <<"any">> = V, Acc) ->
+                [{{utf8, K}, {utf8, V}} | Acc];
+            (<<"x-match">> = K, <<"all">> = V, Acc) ->
+                [{{utf8, K}, {utf8, V}} | Acc];
+            (<<"x-",_/binary>>, _, Acc) ->
+                Acc;
+            (K, V, Acc) ->
+                [{{utf8, K}, {utf8, V}} | Acc]
+            end,
+            [],
+            LegacyHeaders)
+    }.
 
 send_detach(Send, {detach, OutHandle}, _From, State = #state{links = Links}) ->
     case Links of