zf

zenflows testing
git clone https://s.sonu.ch/~srfsh/zf.git
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line.ex (720B)

      1 defmodule Postgrex.Extensions.Line do
      2   @moduledoc false
      3   import Postgrex.BinaryUtils, warn: false
      4   use Postgrex.BinaryExtension, send: "line_send"
      5 
      6   def encode(_) do
      7     quote location: :keep do
      8       %Postgrex.Line{a: a, b: b, c: c} when is_number(a) and is_number(b) and is_number(c) ->
      9         # a, b, c are 8 bytes each
     10         <<24::int32(), a::float64(), b::float64(), c::float64()>>
     11 
     12       other ->
     13         raise DBConnection.EncodeError, Postgrex.Utils.encode_msg(other, Postgrex.Line)
     14     end
     15   end
     16 
     17   def decode(_) do
     18     quote location: :keep do
     19       # a, b, c are 8 bytes each
     20       <<24::int32(), a::float64(), b::float64(), c::float64()>> ->
     21         %Postgrex.Line{a: a, b: b, c: c}
     22     end
     23   end
     24 end