Each message type has a default instance. You can specify the default
values for the fields in the message and use the default instance of that
message as the singleton.

On Sat, Dec 3, 2016 at 9:13 PM 梅骁 <mxmxl...@gmail.com> wrote:

> Hi,
>     Does protobuf has singleton support? I want to use it for global
> configurations of my program.
>     For example, if I have a message type "GlobalSetting", then I want to
> use the class like: GlobalSetting::Instance().get_someVarible.
>
>               Thank you.
>
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