[erlang-questions] COWBOY

[Theepan]

Team,

The following is the code fragment to read the body of a multipart data (as
per the documentation), when it is the contents of a uploaded file.

stream_file(Req) ->
  case cowboy_req:part_body(Req) of
    {ok, Body, Req2} ->
      {ok, Body, Req2};
    {more, Body, Req2} ->
      stream_file(Req2)
  end.

The question is, when the {more, Body, Req2} case clause is reached, should
the 'Body' need to get concatenated like <<OldBody/binary, Body/binary>>,
OR when looped, the library collects the next pieces of chunks into the
'Body' automatically?

Thanks,
Theepan
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