Say the value being read is at key / index of its parent. The generated decoders call
these while an error travels up, so the error's path reads address.tags[2].
json_path_key :: (r: *Json_Reader, key: string)
Say the value being read is at key / index of its parent. The generated decoders call
these while an error travels up, so the error's path reads address.tags[2].
Parameters
- r: *Json_Reader
- key: string