1 files changed, 27 insertions, 0 deletions
diff --git a/deps/include/entt/graph/fwd.hpp b/deps/include/entt/graph/fwd.hpp
new file mode 100644
index 0000000..5da9749
--- /dev/null
+++ b/deps/include/entt/graph/fwd.hpp
@@ -0,0 +1,27 @@
+#ifndef ENTT_GRAPH_FWD_HPP
+#define ENTT_GRAPH_FWD_HPP
+
+#include <cstddef>
+#include <memory>
+#include "../core/fwd.hpp"
+
+namespace entt {
+
+/*! @brief Undirected graph category tag. */
+struct directed_tag {};
+
+/*! @brief Directed graph category tag. */
+struct undirected_tag: directed_tag {};
+
+template<typename, typename = std::allocator<std::size_t>>
+class adjacency_matrix;
+
+template<typename = std::allocator<id_type>>
+class basic_flow;
+
+/*! @brief Alias declaration for the most common use case. */
+using flow = basic_flow<>;
+
+} // namespace entt
+
+#endif