Hey there, I am using Poison to encode Elixir datastructures before sending them to a Phoenix API. This mostly works, except for tuples it seems: ** (Poison.EncodeError) unable to encode value: {:propose, "Appeltaart"} (poison 5.0.0) lib/poison/encoder.ex:439: Poison.Encoder.Any.encode/2 (…

Thanks for your replies @cloudytoday and @benwilson512 ! The solution seemed to be that I forgot to add .ex to the end of my file. Code was indeed fine :slight_smile:

Hey @Astarno it’s worth noting that your proposed implementation probably doesn’t do what you want it to do. The tuple you have {:propose, "Appeltaart"} looks like it’s from a keyword list eg: [propose: "Appeltaart"] which has a key value structure. The implementation you are showing would turn tha…

It should work, unless you made some typos somewhere or haven’t recompiled the project so that the protocols could get re-consolidated again. You can also try Jason instead of Posion: iex(1)> t = {:propose, "Appeltaart"} {:propose, "Appeltaart"} iex(2)> Jason.encode t {:error, %Protocol.UndefinedE…

Poison - Encoding issue (tuples)

Questions & Help Questions

benwilson512 April 20, 2023, 2:42pm 5

I would try doing an rm -rf _build deps and then compiling everything.