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gladvent

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An Advent Of Code runner for gleam

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gladvent src gladvent_ffi.erl
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src/gladvent_ffi.erl 

-module(gladvent_ffi).



-export([

    find_files/2,

    open_file_exclusive/1,

    write/2,

    ensure_dir/1,

    function_arity_one/2,

    parse_function/1,

    close_iodevice/1

]).



close_iodevice(IoDevice) ->

    to_gleam_result(file:close(IoDevice)).



find_files(Pattern, In) ->

    Results = filelib:wildcard(binary_to_list(Pattern), binary_to_list(In)),

    lists:map(fun list_to_binary/1, Results).



open_file_exclusive(File) ->

    file:open(File, [exclusive]).



to_gleam_result(Res) ->

    case Res of

        ok -> {ok, nil};

        Other -> Other

    end.



write(IODevice, Contents) ->

    to_gleam_result(file:write(IODevice, Contents)).



ensure_dir(Dir) ->

    to_gleam_result(filelib:ensure_dir(Dir)).



function_arity_one(ModuleName, Fn)-> fun ModuleName:Fn/1.



parse_function(ModuleName)-> function_arity_one(ModuleName, parse).