optional MyEnum opt_enum = 10057 [default = Second];
optional EmptyMessage opt_emptymsg = 10058;
+ oneof oneof
+ {
+ SubMessage oneof_msg1 = 10059;
+ EmptyMessage oneof_msg2 = 10060;
+ }
+
// Check that extreme integer values are handled correctly
required Limits req_limits = 98;
// Just to make sure that the size of the fields has been calculated
// properly, i.e. otherwise a bug in last field might not be detected.
required int32 end = 13432099;
+
+ extensions 200 to 255;
}