27 lines
1.0 KiB
Erlang
27 lines
1.0 KiB
Erlang
%% Copyright (c) 2018 EMQ Technologies Co., Ltd. All Rights Reserved.
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%%
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%% Licensed under the Apache License, Version 2.0 (the "License");
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%% you may not use this file except in compliance with the License.
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%% You may obtain a copy of the License at
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%%
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%% http://www.apache.org/licenses/LICENSE-2.0
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%%
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%% Unless required by applicable law or agreed to in writing, software
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%% distributed under the License is distributed on an "AS IS" BASIS,
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%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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%% See the License for the specific language governing permissions and
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%% limitations under the License.
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-define(record_to_map(Def, Rec),
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maps:from_list(?record_to_proplist(Def, Rec))).
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-define(record_to_map(Def, Rec, Fields),
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maps:from_list(?record_to_proplist(Def, Rec, Fields))).
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-define(record_to_proplist(Def, Rec),
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lists:zip(record_info(fields, Def), tl(tuple_to_list(Rec)))).
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-define(record_to_proplist(Def, Rec, Fields),
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[{K, V} || {K, V} <- ?record_to_proplist(Def, Rec), lists:member(K, Fields)]).
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