On Wed, Aug 3, 2016 at 8:58 AM, Sankar <sankar.curios...@gmail.com> wrote:
>
> I have a .proto2 file, like:
>
> message s {
> optional double a = 1;
> }
>
> When I run protoc and generate the .pb.go file, it contains code like:
>
> type S struct {
> A *float64 `protobuf:"fixed64,1,opt,name=a"
> json:"a,omitempty"`
> XXX_unrecognized []byte `json:"-"`
> }
>
> Why is the A field here a pointer instead of a normal float64 ?
Because proto2 records not only the value of each field, but also
whether the field is present or not. Using a pointer is how the Go
implementations indicates whether the field is present.
This is better in proto3. If you can switch to proto3, do so.
Ian
--
You received this message because you are subscribed to the Google Groups
"golang-nuts" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to golang-nuts+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.
