On Mon, Mar 30, 2015 at 11:44 AM, Kostiantyn Shchepanovskyi <
schepanov...@gmail.com> wrote:

> Hi,
>
> 3. Removal of extensions, which are instead replaced by a new standard
>> type called Any.
>
>
> Extensions are used for custom options definition in proto2.
>
> import "google/protobuf/descriptor.proto";
>
> extend google.protobuf.MessageOptions {
>   optional string my_option = 51234;
> }
>
> message MyMessage {
>   option (my_option) = "Hello world!";
> }
>
> How it will look in proto3?
>
Extensions to these options are explicitly allowed in proto3.


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