Like, 5 lines later: > For example, we can rebuild optional fields: | Hacker News

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		danharaj on Oct 10, 2018 \| parent \| context \| favorite \| on: Arguing against using protobuffers Like, 5 lines later: > For example, we can rebuild optional fields:

_dmurph on Oct 10, 2018 [–]

How is this different than having both required and optional.

danharaj on Oct 11, 2018 | [–]

It's explained. Later in the article.

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