Function getJSONStringAtNode

src/osvr/Common/GetJSONStringFromTree.h:51–53

        };
    }
    inline std::string getJSONStringAtNode(PathNode const &node) {
        return boost::apply_visitor(GetStringVisitor(), node.value());
    }
    inline std::string getJSONStringFromTree(PathTree const &tree,
                                             std::string const &path) {
        try {