Implementing Codable for ARAnchor: “cannot be automatically synthesized in an extension…”

Question

The code extension ARAnchor: Codable {} produces the error:

\"Implementation of \'Decodable\' cannot be automatically synthesized in an extension in a d

Answer 1

Synthesizing conformace to Codable, Equatable and Hashable in different source files is currently not supported by the Swift compiler, AFAICT. See https://bugs.swift.org/browse/SR-6101 for the issue tracking this.