But the type stored on the wire is known - so it seems like it could be supported (simply static_cast<double>(float_val)). By 'some libraries': does the C++ ParseFromString method do this or not?
Thanks! James On Wed, Nov 15, 2017 at 3:57 PM Marc Gravell <[email protected]> wrote: > Not really, no. They take different amounts of space on the wire, and have > a different declared wire type (header). Some libraries may choose to be > gracious and apply the conversion silently, but other libraries could just > say "unexpected wire type" and stop processing. > > You could perhaps do it as a `oneof`, and have the client check both? > > On 15 Nov 2017 11:51 p.m., "James Philbin" <[email protected]> wrote: > >> Hi, >> >> Is it safe to upgrade float fields to doubles for serialized protos? If >> not, why not? >> >> Thanks, >> James >> >> -- >> > You received this message because you are subscribed to the Google Groups >> "Protocol Buffers" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. > > >> To post to this group, send email to [email protected]. >> Visit this group at https://groups.google.com/group/protobuf. >> For more options, visit https://groups.google.com/d/optout. >> > -- You received this message because you are subscribed to the Google Groups "Protocol Buffers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/protobuf. For more options, visit https://groups.google.com/d/optout.
