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rebar3_hank

0.4.0
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A rebar plugin for dead code cleaning

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rebar3_hank priv test_files unnecessary_function_arguments clean.erl
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priv/test_files/unnecessary_function_arguments/clean.erl 

-module(clean).



-define(FC(X, Y), {X, Y}).



-record(r, {fc = function_call}).



-export([single_fun/2, multi_fun/3]).



-export( [ function_call/ 0 , function_call/ 1 , function_call/ 2 , function_call/ 3 ] ) single_fun( Arg1 , Arg2 ) -> Arg1 * Arg2 .



multi_fun(_Arg1, Arg2, Arg3) when Arg2 > 1 ->

    [Arg2, Arg3];

multi_fun(Arg1, _, Arg3) ->

    [Arg1, Arg3].



function_call() ->

    function_call(not_a_nif).



function_call(UsedArg1) ->

    F = function_call,

    F(UsedArg1, two).



function_call(UsedArg1, UsedArg2) ->

    ?FC(UsedArg1, UsedArg2).



function_call(UsedArg1, UsedArg2, vars) ->

    UsedArg2:UsedArg2(UsedArg1);

function_call(UsedArg1, UsedArg2, macros) ->

    ?MODULE:function_call(UsedArg1, UsedArg2);

function_call(UsedArg1, UsedArg2, records) ->

    (UsedArg2#r.fc)(UsedArg1);

function_call(UsedArg1, UsedArg2, weird_stuff) ->

    begin

        io:format("~p~n", [UsedArg1]),

        function_call

    end(UsedArg2).