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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, get_run/1, open_file_exclusive/1, write/2, ensure_dir/1, do_run/2]).



find_files(Pattern, In) ->

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

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



get_run(A) ->

    fun A:run/1.



do_run(Run, Input) ->

    try

        {ok, Run(Input)}

    catch

        _:undef -> {error, undef};

        _ -> {error, run_failed}

    end.



open_file_exclusive(File) ->

    file:open(File, [exclusive]).



to_gleam_result(Res) ->

    case Res of

        ok -> {ok, nil};

        Err -> Err

    end.



write(IODevice, Charlist) ->

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



ensure_dir(Dir) ->

    to_gleam_result(filelib:ensure_dir(Dir)).