Merge pull request #154 from sue445/feature/add_special_consts

Add Qnil and Qundef

Author: sue445

ruby/ruby_internal_special_consts.go

@@ -16,3 +16,13 @@ func Qtrue() VALUE {
 func Qfalse() VALUE {
 	return VALUE(C.Qfalse)
 }
+
+// Qnil returns `Qnil` in C
+func Qnil() VALUE {
+	return VALUE(C.Qnil)
+}
+
+// Qundef returns `Qundef` in C
+func Qundef() VALUE {
+	return VALUE(C.Qundef)
+}