Function protobuf::rt::read_unknown_or_skip_group

pub fn read_unknown_or_skip_group(
    field_number: u32, 
    wire_type: WireType, 
    is: &mut CodedInputStream, 
    unknown_fields: &mut UnknownFields
) -> ProtobufResult<()>

Handle unknown field in generated code. Either store a value in unknown, or skip a group.