zf

zenflows testing
git clone https://s.sonu.ch/~srfsh/zf.git
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circle.ex (737B)

      1 defmodule Postgrex.Extensions.Circle do
      2   @moduledoc false
      3   import Postgrex.BinaryUtils, warn: false
      4   use Postgrex.BinaryExtension, send: "circle_send"
      5 
      6   def encode(_) do
      7     quote location: :keep do
      8       %Postgrex.Circle{center: %Postgrex.Point{x: x, y: y}, radius: r}
      9       when is_number(x) and is_number(y) and is_number(r) and r >= 0 ->
     10         <<24::int32(), x::float64(), y::float64(), r::float64()>>
     11 
     12       other ->
     13         raise DBConnection.EncodeError, Postgrex.Utils.encode_msg(other, Postgrex.Path)
     14     end
     15   end
     16 
     17   def decode(_) do
     18     quote location: :keep do
     19       <<24::int32(), x::float64(), y::float64(), r::float64()>> ->
     20         %Postgrex.Circle{center: %Postgrex.Point{x: x, y: y}, radius: r}
     21     end
     22   end
     23 end