pub fn deserialized(
  layer_serialized: List(NeuronSerialized),
) -> ZList(Neuron)

pub fn json_decoder() -> fn(Dynamic) ->
  Result(List(NeuronSerialized), List(DecodeError))

pub fn json_encoded(
  layer_serialized: List(NeuronSerialized),
) -> Json

pub fn serialized(layer: ZList(Neuron)) -> List(NeuronSerialized)