2 files changed, 6 insertions, 0 deletions
diff --git a/lib/include/graph.hpp b/lib/include/graph.hpp
index 9d2b5a1..c78fe9f 100644
--- a/lib/include/graph.hpp
+++ b/lib/include/graph.hpp
@@ -7,6 +7,7 @@
 #include <exception>
 #include <list>
 #include <random>
+#include <string>
 #include <unordered_map>
 #include <vector>
 
@@ -46,4 +47,6 @@ public:
 
   void helper(unsigned n, std::mt19937& rng);
   graph const rotate();
+
+  std::string write() const;
 };
diff --git a/lib/include/network.hpp b/lib/include/network.hpp
index 5b474bb..d562530 100644
--- a/lib/include/network.hpp
+++ b/lib/include/network.hpp
@@ -5,6 +5,7 @@
 #include <limits>
 #include <random>
 #include <set>
+#include <string>
 #include <utility>
 #include <valarray>
 #include <vector>
@@ -66,6 +67,8 @@ public:
     current_info empty;
     return empty;
   };
+
+  std::string write();
 };
 
 class fuse_network : public network {