Merged emitter refactor from core

util/CMakeLists.txt

@@ -1,2 +1,5 @@
 add_executable(parse parse.cpp)
 target_link_libraries(parse yaml-cpp)
+
+add_executable(sandbox sandbox.cpp)
+target_link_libraries(sandbox yaml-cpp)

util/sandbox.cpp

@@ -0,0 +1,13 @@
+#include "yaml-cpp/yaml.h"
+#include <iostream>
+
+int main()
+{
+    YAML::Emitter out;
+    out << YAML::BeginSeq;
+    out << ':';
+    out << YAML::EndSeq;
+    
+    std::cout << out.c_str() << "\n";
+    return 0;
+}