zf

zenflows testing
git clone https://s.sonu.ch/~srfsh/zf.git
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point.ex (803B)

      1 defmodule Postgrex.Extensions.Point do
      2   @moduledoc false
      3   import Postgrex.BinaryUtils, warn: false
      4   use Postgrex.BinaryExtension, send: "point_send"
      5 
      6   def encode(_) do
      7     quote location: :keep do
      8       %Postgrex.Point{x: x, y: y} ->
      9         <<16::int32(), x::float64(), y::float64()>>
     10 
     11       other ->
     12         raise DBConnection.EncodeError, Postgrex.Utils.encode_msg(other, Postgrex.Point)
     13     end
     14   end
     15 
     16   def decode(_) do
     17     quote location: :keep do
     18       <<16::int32(), x::float64(), y::float64()>> -> %Postgrex.Point{x: x, y: y}
     19     end
     20   end
     21 
     22   # used by other extensions
     23   def encode_point(%Postgrex.Point{x: x, y: y}, _) do
     24     <<x::float64(), y::float64()>>
     25   end
     26 
     27   def encode_point(other, wanted) do
     28     raise DBConnection.EncodeError, Postgrex.Utils.encode_msg(other, wanted)
     29   end
     30 end