tree cf35fac19214b02f6c1812a29628fc15180f7126
parent 42577eaa4dd85168712a3068ec7fd0caf8407ad5
author Damien Neil <dneil@google.com> 1553703800 -0700
committer Damien Neil <dneil@google.com> 1553707513 +0000

proto: add generic Size

Change-Id: I4ed123f4a9747fb4aba392bc5b9608d294bacc4d
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/169697
Reviewed-by: Joe Tsai <thebrokentoaster@gmail.com>