IMO its a similar situation to the discussion here: https://capnproto.org/faq.html#how-do-i-make-a-field-required-like-in-protocol-buffers https://capnproto.or

IMO its a similar situation to the discussion here: https://capnproto.org/faq.html#how-do-i-make-a-field-required-like-in-protocol-buffers https://capnproto.org/faq.html#how-do-i-make-a-field-require...