chore: import upstream snapshot with attribution

2026-07-13 12:36:30 +08:00
commit 55ab4e4a73
473 changed files with 72932 additions and 0 deletions
@@ -0,0 +1,3 @@
+#include "common.h"
+
+graph_edge::graph_edge(node_t u_, node_t v_, edge_attr_dict_factory attr_) : u(u_), v(v_), attr(attr_) {}