compiler/cpp/generate/t_rb_generator: Implement forward declaration
compiler/cpp/generate/t_rb_generator: Implement forward declaration

upfluence/thrift,upfluence/thrift,upfluence/thrift,upfluence/thrift,upfluence/thrift,upfluence/thrift,upfluence/thrift,upfluence/thrift,upfluence/thrift,upfluence/thrift,upfluence/thrift,upfluence/thrift