yzhliu

diff --git a/compiler/cpp/src/generate/t_rb_generator.cc b/compiler/cpp/src/generate/t_rb_generator.cc
index c9db29a..f4029d0 100644
--- a/compiler/cpp/src/generate/t_rb_generator.cc
+++ b/compiler/cpp/src/generate/t_rb_generator.cc
@@ -319,7 +319,11 @@ void t_rb_generator::generate_enum(t_enum* tenum) {
   for(c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) {
     // Populate the hash
     int value = (*c_iter)->get_value();
-    first ? first = false : f_types_ << ", ";
+    if (first) {