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gleam_bson

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bson encoder and decoder for gleam

Retired package: Renamed - Republished as bison
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gleam_bson src bson@custom.erl
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src/bson@custom.erl 

-module(bson@custom).

-compile([no_auto_import, nowarn_unused_vars]).



-export([to_bit_string_with_code/1, from_bit_string_with_code/2]).

-export_type([custom/0]).



-opaque custom() :: {custom, bitstring(), bitstring()}.



-spec to_bit_string_with_code(custom()) -> {integer(), bitstring()}.

to_bit_string_with_code(Custom) ->

    case Custom of

        {custom, <<Code>>, Value} ->

            {Code, Value}

    end.



-spec from_bit_string_with_code(integer(), bitstring()) -> {ok, custom()} |

    {error, nil}.

from_bit_string_with_code(Code, Value) ->

    case (Code =< 16#ff) andalso (Code >= 16#80) of

        true ->

            {ok, {custom, <<Code>>, Value}};



        false ->

            {error, nil}

    end.