4 ms·

so everything is optional?

• beastman82 10y ago
  yes
• euyyn 10y ago
  Except primitive types. So this is avoided: > You'll just end up with structures where everything is a Maybe type, so you end up needing tons of bespoke client-side code to handle the possible permutations. Absent primitive values default to zero, while absent message fields are mapped to what makes most sense in the specific programming language (in most of them, "null" or "nil").