doxygen comment for uniquify_edges

Author: soheilshahrouz

libs/librrgraph/src/base/rr_edge.h

@@ -29,6 +29,7 @@ struct t_rr_edge_info {
 
 typedef std::vector<t_rr_edge_info> t_rr_edge_info_set;
 
+/// @brief Sorts and removes duplicate RR edges in-place.
 inline void uniquify_edges(t_rr_edge_info_set& rr_edges_to_create) {
     std::stable_sort(rr_edges_to_create.begin(), rr_edges_to_create.end());
     rr_edges_to_create.erase(std::unique(rr_edges_to_create.begin(), rr_edges_to_create.end()), rr_edges_to_create.end());