Added constructor to the Emitter with a stream, so you can write directly to a stream instead of our temp

util/sandbox.cpp

@@ -3,12 +3,10 @@
 
 int main()
 {
-    YAML::Emitter out;
+    YAML::Emitter out(std::cout);
     out << YAML::BeginSeq;
     out << "item 1";
     out << YAML::BeginSeq << "foo 1" << "bar 2" << YAML::EndSeq;
     out << YAML::EndSeq;
-    
-    std::cout << out.c_str() << "\n";
     return 0;
 }