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kadabra

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HTTP2 client for Elixir

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kadabra lib frame continuation.ex
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lib/frame/continuation.ex 

defmodule Kadabra.Frame.Continuation do

  @moduledoc false



  defstruct [:header_block_fragment, :stream_id, end_headers: false]



  import Bitwise



  @type t :: %__MODULE__{

          end_headers: boolean,

          header_block_fragment: bitstring,

          stream_id: pos_integer

        }



  alias Kadabra.Frame



  @doc ~S"""

  Initializes a new `Frame.Continuation` given a `Frame`.



  ## Examples



      iex> frame = %Kadabra.Frame{payload: <<136>>, flags: 0x4}

      iex> Kadabra.Frame.Continuation.new(frame)

      %Kadabra.Frame.Continuation{header_block_fragment: <<136>>,

      end_headers: true}

  """

  @spec new(Frame.t()) :: t

  def new(%Frame{stream_id: id, payload: payload, flags: flags}) do

    %__MODULE__{

      header_block_fragment: payload,

      end_headers: end_headers?(flags),

      stream_id: id

    }

  end



  @spec end_headers?(non_neg_integer) :: boolean

  defp end_headers?(flags) when (flags &&& 4) == 4, do: true

  defp end_headers?(_), do: false

end