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54 lines
1.1 KiB
54 lines
1.1 KiB
-module(utSSetsDs).
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-compile([nowarn_unused_function, nowarn_unused_vars, nowarn_export_all]).
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-export([start/2]).
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start(Num, Pid) ->
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Ds = init(Num),
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Time1 = erlang:monotonic_time(),
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NewDsI = insert(Num, Ds),
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Time2 = erlang:monotonic_time(),
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NewDsR = read(Num, NewDsI),
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Time3 = erlang:monotonic_time(),
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NewDsU = update(Num, NewDsR),
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Time4 = erlang:monotonic_time(),
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NewDsF = for(Num, NewDsU),
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Time5 = erlang:monotonic_time(),
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delete(Num, NewDsF),
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Time6 = erlang:monotonic_time(),
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erlang:send(Pid, {over, self(), Time2 - Time1, Time3 - Time2, not_support, Time5 - Time4, Time6 - Time5, utTermSize:byteSize(NewDsI)}),
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exit(normal).
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init(_Num) ->
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sets:new().
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insert(0, Ds) ->
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Ds;
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insert(Num, Ds) ->
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NewDs = sets:add_element(Num, Ds),
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insert(Num - 1, NewDs).
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read(0, Ds) ->
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Ds;
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read(Num, Ds) ->
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Value = sets:is_element(Num, Ds),
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read(Num - 1, Ds).
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update(Num, Ds) ->
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Ds.
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for(Num, Ds) ->
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Fun =
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fun(Value, Acc) ->
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Value
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end,
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sets:fold(Fun, [], Ds),
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Ds.
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delete(0, Ds) ->
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ok;
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delete(Num, Ds) ->
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NewDs = sets:del_element(Num, Ds),
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delete(Num - 1, NewDs).
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