c++ - how to define repeated field as required in google protocol buffer? -

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how define repeated field required in google protocol buffer?i have field modifier repeated(repeated int32 ).how add required modifier field? in fact want have both modifier(required , repeated).

sorry, there no way mark repeated field "required".

in fact, required considered misfeature , being phased out in protobuf 3.0. extended explanation/rant of why case, see:

https://capnproto.org/faq.html#how-do-i-make-a-field-required-like-in-protocol-buffers

(that's link cap'n proto web site, competitor protobufs, author (namely, me) main author of protobuf v2.)


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