Protobuf gem: https://github.com/ruby-protobuf/protobuf/wiki/Installation
$ brew install protobuf
$ bundle install
protoc -I ./definitions --ruby_out ./lib definitions/**/*.proto
$ ruby demo.rb
Syntax: https://developers.google.com/protocol-buffers/docs/proto3
Usage: https://github.com/google/protobuf/tree/master/ruby