Mass conversion of bind() calls to lambdas

Source file work done with custom-modified versions of clang-format
and clang-tidy, via the modernize-avoid-bind checker. Headers were
modified by hand. A script removed uses of <functional> and <boost/bind.hpp>.

src/graph/centrality/graph_betweenness.cc

@@ -144,27 +144,31 @@ void betweenness(GraphInterface& g, std::vector<size_t>& pivots,
     if (!weight.empty())
     {
         run_action<>()
-            (g, std::bind<>(get_weighted_betweenness(),
-                            std::placeholders::_1,
-                            std::ref(pivots),
-                            g.get_vertex_index(),
-                            std::placeholders::_2,
-                            std::placeholders::_3, weight,
-                            g.get_edge_index_range()),
-             edge_floating_properties(),
-             vertex_floating_properties())
-            (edge_betweenness, vertex_betweenness);
+            (g,
+             [&](auto&& graph, auto&& a2, auto&& a3)
+             {
+                 return get_weighted_betweenness()
+                     (std::forward<decltype(graph)>(graph), pivots,
+                      g.get_vertex_index(), std::forward<decltype(a2)>(a2),
+                      std::forward<decltype(a3)>(a3), weight,
+                      g.get_edge_index_range());
+             },
+             edge_floating_properties(), vertex_floating_properties())(
+                edge_betweenness, vertex_betweenness);
     }
     else
     {
         run_action<>()
-            (g, std::bind<void>(get_betweenness(), std::placeholders::_1,
-                                std::ref(pivots),
-                                g.get_vertex_index(), std::placeholders::_2,
-                                std::placeholders::_3),
-             edge_floating_properties(),
-             vertex_floating_properties())
-            (edge_betweenness, vertex_betweenness);
+            (g,
+             [&](auto&& graph, auto&& a2, auto&& a3)
+             {
+                 return get_betweenness()
+                     (std::forward<decltype(graph)>(graph), pivots,
+                      g.get_vertex_index(), std::forward<decltype(a2)>(a2),
+                      std::forward<decltype(a3)>(a3));
+             },
+             edge_floating_properties(), vertex_floating_properties())(
+                edge_betweenness, vertex_betweenness);
     }
 }
 
@@ -207,9 +211,14 @@ double central_point(GraphInterface& g,
 {
     double c = 0.0;
     run_action<graph_tool::detail::never_reversed>()
-        (g, std::bind<>(get_central_point_dominance(), std::placeholders::_1,
-                        std::placeholders::_2, std::ref(c)),
-         vertex_scalar_properties()) (vertex_betweenness);
+        (g,
+         [&](auto&& graph, auto&& a2)
+         {
+             return get_central_point_dominance()
+                 (std::forward<decltype(graph)>(graph),
+                  std::forward<decltype(a2)>(a2), c);
+         },
+         vertex_scalar_properties())(vertex_betweenness);
     return c;
 }
 

src/graph/centrality/graph_closeness.cc

@@ -22,7 +22,6 @@
 
 #include "graph_closeness.hh"
 
-#include <functional>
 #include <boost/python.hpp>
 
 using namespace std;
@@ -33,20 +32,30 @@ void do_get_closeness(GraphInterface& gi, boost::any weight,
 {
     if (weight.empty())
     {
-        run_action<>()(gi,
-                       std::bind(get_closeness(), std::placeholders::_1,
-                                 gi.get_vertex_index(), no_weightS(),
-                                 std::placeholders::_2, harmonic, norm),
-                       writable_vertex_scalar_properties())(closeness);
+        run_action<>()
+            (gi,
+             [&](auto&& graph, auto&& a2)
+             {
+                 return get_closeness()
+                     (std::forward<decltype(graph)>(graph),
+                      gi.get_vertex_index(), no_weightS(),
+                      std::forward<decltype(a2)>(a2), harmonic, norm);
+             },
+             writable_vertex_scalar_properties())(closeness);
     }
     else
     {
-        run_action<>()(gi,
-                       std::bind(get_closeness(), std::placeholders::_1,
-                                 gi.get_vertex_index(), std::placeholders::_2,
-                                 std::placeholders::_3, harmonic, norm),
-                       edge_scalar_properties(),
-                       writable_vertex_scalar_properties())(weight, closeness);
+        run_action<>()
+            (gi,
+             [&](auto&& graph, auto&& a2, auto&& a3)
+             {
+                 return get_closeness()
+                     (std::forward<decltype(graph)>(graph),
+                      gi.get_vertex_index(), std::forward<decltype(a2)>(a2),
+                      std::forward<decltype(a3)>(a3), harmonic, norm);
+             },
+             edge_scalar_properties(),
+             writable_vertex_scalar_properties())(weight, closeness);
     }
 }
 

src/graph/centrality/graph_eigentrust.cc

@@ -37,11 +37,15 @@ size_t eigentrust(GraphInterface& g, boost::any c, boost::any t,
 
     size_t iter = 0;
     run_action<>()
-        (g, bind(get_eigentrust(),
-                 _1, g.get_vertex_index(), g.get_edge_index(), _2,
-                 _3, epslon, max_iter, ref(iter)),
-         writable_edge_scalar_properties(),
-         vertex_floating_properties())(c,t);
+        (g,
+         [&](auto&& graph, auto&& a2, auto&& a3)
+         {
+             return get_eigentrust()
+                 (std::forward<decltype(graph)>(graph), g.get_vertex_index(),
+                  g.get_edge_index(), std::forward<decltype(a2)>(a2),
+                  std::forward<decltype(a3)>(a3), epslon, max_iter, iter);
+         },
+         writable_edge_scalar_properties(), vertex_floating_properties())(c, t);
     return iter;
 }
 

src/graph/centrality/graph_eigenvector.cc

@@ -42,11 +42,15 @@ long double eigenvector(GraphInterface& g, boost::any w, boost::any c,
 
     long double eig = 0;
     run_action<>()
-        (g, std::bind(get_eigenvector(), std::placeholders::_1, g.get_vertex_index(),
-                      std::placeholders::_2, std::placeholders::_3, epsilon, max_iter,
-                      std::ref(eig)),
-         weight_props_t(),
-         vertex_floating_properties())(w, c);
+        (g,
+         [&](auto&& graph, auto&& a2, auto&& a3)
+         {
+             return get_eigenvector()
+                 (std::forward<decltype(graph)>(graph), g.get_vertex_index(),
+                  std::forward<decltype(a2)>(a2),
+                  std::forward<decltype(a3)>(a3), epsilon, max_iter, eig);
+         },
+         weight_props_t(), vertex_floating_properties())(w, c);
     return eig;
 }
 

src/graph/centrality/graph_hits.cc

@@ -68,11 +68,15 @@ long double hits(GraphInterface& g, boost::any w, boost::any x, boost::any y,
 
     long double eig = 0;
     run_action<>()
-        (g, std::bind(get_hits_dispatch(), std::placeholders::_1, g.get_vertex_index(),
-                      std::placeholders::_2,  std::placeholders::_3, y, epsilon, max_iter,
-                      std::ref(eig)),
-         weight_props_t(),
-         vertex_floating_properties())(w, x);
+        (g,
+         [&](auto&& graph, auto&& a2, auto&& a3)
+         {
+             return get_hits_dispatch()
+                 (std::forward<decltype(graph)>(graph), g.get_vertex_index(),
+                  std::forward<decltype(a2)>(a2),
+                  std::forward<decltype(a3)>(a3), y, epsilon, max_iter, eig);
+         },
+         weight_props_t(), vertex_floating_properties())(w, x);
     return eig;
 }
 

src/graph/centrality/graph_katz.cc

@@ -53,12 +53,18 @@ void katz(GraphInterface& g, boost::any w, boost::any c, boost::any beta,
     if(beta.empty())
         beta = beta_map_t();
 
-    run_action<>()(g, std::bind(get_katz(), std::placeholders::_1, g.get_vertex_index(),
-                                std::placeholders::_2, std::placeholders::_3,
-                                std::placeholders::_4, alpha, epsilon, max_iter),
-                   weight_props_t(),
-                   vertex_floating_properties(),
-                   beta_props_t())(w, c, beta);
+    run_action<>()
+        (g,
+         [&](auto&& graph, auto&& a2, auto&& a3, auto&& a4)
+         {
+             return get_katz()
+                 (std::forward<decltype(graph)>(graph), g.get_vertex_index(),
+                  std::forward<decltype(a2)>(a2),
+                  std::forward<decltype(a3)>(a3),
+                  std::forward<decltype(a4)>(a4), alpha, epsilon, max_iter);
+         },
+         weight_props_t(), vertex_floating_properties(),
+         beta_props_t())(w, c, beta);
 }
 
 void export_katz()

src/graph/centrality/graph_pagerank.cc

@@ -18,7 +18,6 @@
 #include "graph_filtering.hh"
 
 #include <boost/python.hpp>
-#include <boost/bind.hpp>
 
 #include "graph.hh"
 #include "graph_selectors.hh"
@@ -56,12 +55,17 @@ size_t pagerank(GraphInterface& g, boost::any rank, boost::any pers,
 
     size_t iter;
     run_action<>()
-        (g, std::bind(get_pagerank(),
-                      std::placeholders::_1, g.get_vertex_index(), std::placeholders::_2,
-                      std::placeholders::_3, std::placeholders::_4, d,
-                      epsilon, max_iter, std::ref(iter)),
-         vertex_floating_properties(),
-         pers_props_t(), weight_props_t())(rank, pers, weight);
+        (g,
+         [&](auto&& graph, auto&& a2, auto&& a3, auto&& a4)
+         {
+             return get_pagerank()
+                 (std::forward<decltype(graph)>(graph), g.get_vertex_index(),
+                  std::forward<decltype(a2)>(a2),
+                  std::forward<decltype(a3)>(a3),
+                  std::forward<decltype(a4)>(a4), d, epsilon, max_iter, iter);
+         },
+         vertex_floating_properties(), pers_props_t(),
+         weight_props_t())(rank, pers, weight);
     return iter;
 }
 

src/graph/centrality/graph_trust_transitivity.cc

@@ -36,11 +36,16 @@ void trust_transitivity(GraphInterface& g, int64_t source, int64_t target,
     if (!belongs<vertex_floating_vector_properties>()(t))
         throw ValueException("vertex property must be of floating point valued vector type");
 
-    run_action<>()(g,
-                   bind<void>(get_trust_transitivity(), _1, g.get_vertex_index(),
-                              source, target, _2, _3),
-                   edge_floating_properties(),
-                   vertex_floating_vector_properties())(c,t);
+    run_action<>()
+        (g,
+         [&](auto&& graph, auto&& a2, auto&& a3)
+         {
+             return get_trust_transitivity()
+                 (std::forward<decltype(graph)>(graph), g.get_vertex_index(),
+                  source, target, std::forward<decltype(a2)>(a2),
+                  std::forward<decltype(a3)>(a3));
+         },
+         edge_floating_properties(), vertex_floating_vector_properties())(c, t);
 }
 
 void export_trust_transitivity()

src/graph/clustering/graph_clustering.cc

@@ -45,8 +45,13 @@ boost::python::tuple global_clustering(GraphInterface& g, boost::any weight)
 
     double c, c_err;
     run_action<graph_tool::detail::never_directed>()
-        (g, std::bind(get_global_clustering(), std::placeholders::_1,
-                      std::placeholders::_2, std::ref(c), std::ref(c_err)),
+        (g,
+         [&](auto&& graph, auto&& a2)
+         {
+             return get_global_clustering()
+                 (std::forward<decltype(graph)>(graph),
+                  std::forward<decltype(a2)>(a2), c, c_err);
+         },
          weight_props_t())(weight);
     return boost::python::make_tuple(c, c_err);
 }
@@ -64,12 +69,15 @@ void local_clustering(GraphInterface& g, boost::any prop, boost::any weight)
         weight = weight_map_t();
 
     run_action<>()
-        (g, std::bind(set_clustering_to_property(),
-                      std::placeholders::_1,
-                      std::placeholders::_2,
-                      std::placeholders::_3),
-         weight_props_t(),
-         writable_vertex_scalar_properties())(weight, prop);
+        (g,
+         [&](auto&& graph, auto&& a2, auto&& a3)
+         {
+             return set_clustering_to_property()
+                 (std::forward<decltype(graph)>(graph),
+                  std::forward<decltype(a2)>(a2),
+                  std::forward<decltype(a3)>(a3));
+         },
+         weight_props_t(), writable_vertex_scalar_properties())(weight, prop);
 }
 
 using namespace boost::python;

src/graph/clustering/graph_extended_clustering.cc

@@ -35,9 +35,13 @@ struct prop_vector
     boost::any operator()(const vector<boost::any>& props, size_t size) const
     {
         boost::any prop_vec;
-        boost::mpl::for_each<PropertySequence>
-            (std::bind(get_prop_vector(), std::placeholders::_1, std::ref(props),
-                       std::ref(prop_vec), size));
+        boost::mpl::for_each<PropertySequence>(
+            [&](auto&& graph)
+            {
+                return get_prop_vector()
+                    (std::forward<decltype(graph)>(graph), props, prop_vec,
+                     size);
+            });
         return prop_vec;
     }
 
@@ -92,8 +96,14 @@ void extended_clustering(GraphInterface& g, boost::python::list props)
         properties_vector;
 
     run_action<>()
-        (g, std::bind<void>(get_extended_clustering(), std::placeholders::_1,
-                            any_cast<GraphInterface::vertex_index_map_t>(g.get_vertex_index()),
-                            std::placeholders::_2),
-         properties_vector()) (vprop);
+        (g,
+         [&](auto&& graph, auto&& a2)
+         {
+             return get_extended_clustering()
+                 (std::forward<decltype(graph)>(graph),
+                  any_cast<GraphInterface::vertex_index_map_t>(
+                      g.get_vertex_index()),
+                  std::forward<decltype(a2)>(a2));
+         },
+         properties_vector())(vprop);
 }

src/graph/clustering/graph_motifs.cc

@@ -65,9 +65,13 @@ void get_motifs(GraphInterface& g, size_t k, boost::python::list subgraph_list,
     {
         GraphInterface& sub =
             boost::python::extract<GraphInterface&>(subgraph_list[i]);
-        run_action<>()(sub, std::bind(append_to_list(),
-                                      std::placeholders::_1,
-                                      std::ref(list)))();
+        run_action<>()
+            (sub,
+             [&](auto&& graph)
+             {
+                 return append_to_list()
+                     (std::forward<decltype(graph)>(graph), list);
+             })();
     }
 
     std::vector<size_t> phist;
@@ -91,11 +95,15 @@ void get_motifs(GraphInterface& g, size_t k, boost::python::list subgraph_list,
     std::vector<std::vector<vmap_t> > vmaps;
 
     run_action<>()
-        (g, std::bind(get_all_motifs(collect_vmaps, plist[0], comp_iso,
-                                     fill_list, rng),
-                      std::placeholders::_1, k, std::ref(list), std::ref(phist),
-                      std::ref(vmaps), std::placeholders::_2),
-         boost::mpl::vector<sample_all,sample_some>())(sampler);
+        (g,
+         [&](auto&& graph, auto&& a2)
+         {
+             return get_all_motifs(collect_vmaps, plist[0], comp_iso, fill_list,
+                                   rng)(std::forward<decltype(graph)>(graph), k,
+                                        list, phist, vmaps,
+                                        std::forward<decltype(a2)>(a2));
+         },
+         boost::mpl::vector<sample_all, sample_some>())(sampler);
 
     for (size_t i = 0; i < phist.size(); ++i)
         hist.append(phist[i]);
@@ -125,8 +133,12 @@ void get_motifs(GraphInterface& g, size_t k, boost::python::list subgraph_list,
                  boost::mpl::bool_<false>, boost::mpl::bool_<true>,
                  boost::mpl::bool_<true> >::type gviews;
             run_action<gviews>()
-                (sub, std::bind(retrieve_from_list(), std::placeholders::_1,
-                                std::ref(list), std::ref(done)))();
+                (sub,
+                 [&](auto&& graph)
+                 {
+                     return retrieve_from_list()
+                         (std::forward<decltype(graph)>(graph), list, done);
+                 })();
             if (!done)
                 subgraph_list.append(sub);
         }

src/graph/clustering/graph_motifs.hh

@@ -150,7 +150,8 @@ struct sample_some
     void operator()(std::vector<val_type>& extend, size_t d)
     {
         typedef std::uniform_real_distribution<double> rdist_t;
-        auto random = std::bind(rdist_t(), std::ref(*_rng));
+        auto random = [this] { return rdist_t()(*_rng); };
+
 
         double pd = (*_p)[d+1];
         size_t nc = extend.size();
@@ -177,8 +178,7 @@ struct sample_some
         typedef std::uniform_int_distribution<size_t> idist_t;
         for (size_t i = 0; i < n; ++i)
         {
-            auto random_v = std::bind(idist_t(0, extend.size()-i-1),
-                                      std::ref(*_rng));
+            auto random_v = [this, &extend, i] { return idist_t(0, extend.size()-i-1)(*_rng); };
             size_t j;
             #pragma omp critical (random)
             {
@@ -331,8 +331,7 @@ struct get_all_motifs
         hist.resize(subgraph_list.size());
 
         typedef std::uniform_real_distribution<double> rdist_t;
-        auto random = std::bind(rdist_t(), std::ref(rng));
-
+        auto random = [this] { return rdist_t()(rng); };
         // the set of vertices V to be sampled (filled only if p < 1)
         std::vector<size_t> V;
         if (p < 1)
@@ -349,8 +348,7 @@ struct get_all_motifs
             typedef std::uniform_int_distribution<size_t> idist_t;
             for (size_t i = 0; i < n; ++i)
             {
-                auto random_v = std::bind(idist_t(0, V.size()-i-1),
-                                          std::ref(rng));
+                auto random_v = [&V, i, this] { return idist_t(0, V.size()-i-1)(rng); };
                 size_t j = i + random_v();
                 std::swap(V[i], V[j]);
             }

src/graph/correlations/graph_assortativity.cc

@@ -94,12 +94,16 @@ assortativity_coefficient(GraphInterface& gi, GraphInterface::deg_t deg,
         weight = weight_map_t();
 
     double a = 0, a_err = 0;
-    run_action<>()(gi,std::bind(get_assortativity_coefficient(),
-                                std::placeholders::_1, std::placeholders::_2,
-                                std::placeholders::_3,
-                                std::ref(a), std::ref(a_err)),
-                   all_selectors(), weight_props_t())
-        (degree_selector(deg), weight);
+    run_action<>()
+        (gi,
+         [&](auto&& graph, auto&& a2, auto&& a3)
+         {
+             return get_assortativity_coefficient()
+                 (std::forward<decltype(graph)>(graph),
+                  std::forward<decltype(a2)>(a2),
+                  std::forward<decltype(a3)>(a3), a, a_err);
+         },
+         all_selectors(), weight_props_t())(degree_selector(deg), weight);
     return make_pair(a, a_err);
 }
 
@@ -118,12 +122,16 @@ scalar_assortativity_coefficient(GraphInterface& gi, GraphInterface::deg_t deg,
         weight = weight_map_t();
 
     double a = 0, a_err = 0;
-    run_action<>()(gi, std::bind(get_scalar_assortativity_coefficient(),
-                                 std::placeholders::_1, std::placeholders::_2,
-                                 std::placeholders::_3,
-                                 std::ref(a), std::ref(a_err)),
-                   scalar_selectors(), weight_props_t())
-        (degree_selector(deg), weight);
+    run_action<>()
+        (gi,
+         [&](auto&& graph, auto&& a2, auto&& a3)
+         {
+             return get_scalar_assortativity_coefficient()
+                 (std::forward<decltype(graph)>(graph),
+                  std::forward<decltype(a2)>(a2),
+                  std::forward<decltype(a3)>(a3), a, a_err);
+         },
+         scalar_selectors(), weight_props_t())(degree_selector(deg), weight);
     return make_pair(a, a_err);
 }
 

src/graph/draw/graph_cairo_draw.cc

@@ -1852,9 +1852,13 @@ boost::python::object cairo_draw(GraphInterface& gi,
             populate_defaults(ovdefaults, vdefaults);
 
             run_action<>()
-                (gi, std::bind(populate_edge_attrs(), std::placeholders::_1,
-                               oeattrs, std::ref(eattrs), oedefaults,
-                               std::ref(edefaults)))();
+                (gi,
+                 [&](auto&& graph)
+                 {
+                     return populate_edge_attrs()
+                         (std::forward<decltype(graph)>(graph), oeattrs, eattrs,
+                          oedefaults, edefaults);
+                 })();
 
             typedef boost::mpl::push_back<vertex_scalar_properties, no_order>::type
                vorder_t;
@@ -1877,31 +1881,45 @@ boost::python::object cairo_draw(GraphInterface& gi,
 
             if (nodesfirst)
                 run_action<>()
-                    (gi, std::bind(do_cairo_draw_vertices(), std::placeholders::_1,
-                                   std::placeholders::_2, std::placeholders::_3,
-                                   std::ref(vattrs), std::ref(eattrs), std::ref(vdefaults),
-                                   std::ref(edefaults), mtime, dt, std::ref(count),
-                                   std::ref(cr), std::ref(yield)),
+                    (gi,
+                     [&](auto&& graph, auto&& a2, auto&& a3)
+                     {
+                         return do_cairo_draw_vertices()
+                             (std::forward<decltype(graph)>(graph),
+                              std::forward<decltype(a2)>(a2),
+                              std::forward<decltype(a3)>(a3), vattrs, eattrs,
+                              vdefaults, edefaults, mtime, dt, count, cr,
+                              yield);
+                     },
                      vertex_scalar_vector_properties(),
                      vorder_t())(pos, vorder);
 
             run_action<>()
-                (gi, std::bind(do_cairo_draw_edges(), std::placeholders::_1,
-                               std::placeholders::_2, std::placeholders::_3,
-                               std::ref(vattrs), std::ref(eattrs),
-                               std::ref(vdefaults), std::ref(edefaults), res,
-                               mtime, dt, std::ref(count), std::ref(cr), std::ref(yield)),
-                 vertex_scalar_vector_properties(),
-                 eorder_t())(pos, eorder);
+                (gi,
+                 [&](auto&& graph, auto&& a2, auto&& a3)
+                 {
+                     return do_cairo_draw_edges()
+                         (std::forward<decltype(graph)>(graph),
+                          std::forward<decltype(a2)>(a2),
+                          std::forward<decltype(a3)>(a3), vattrs, eattrs,
+                          vdefaults, edefaults, res, mtime, dt, count, cr,
+                          yield);
+                 },
+                 vertex_scalar_vector_properties(), eorder_t())(pos, eorder);
 
             if (!nodesfirst)
             {
                 run_action<>()
-                    (gi, std::bind(do_cairo_draw_vertices(), std::placeholders::_1,
-                                   std::placeholders::_2, std::placeholders::_3,
-                                   std::ref(vattrs), std::ref(eattrs), std::ref(vdefaults),
-                                   std::ref(edefaults), mtime, dt, std::ref(count),
-                                   std::ref(cr), std::ref(yield)),
+                    (gi,
+                     [&](auto&& graph, auto&& a2, auto&& a3)
+                     {
+                         return do_cairo_draw_vertices()
+                             (std::forward<decltype(graph)>(graph),
+                              std::forward<decltype(a2)>(a2),
+                              std::forward<decltype(a3)>(a3), vattrs, eattrs,
+                              vdefaults, edefaults, mtime, dt, count, cr,
+                              yield);
+                     },
                      vertex_scalar_vector_properties(),
                      vorder_t())(pos, vorder);
             }
@@ -1935,8 +1953,13 @@ void apply_transforms(GraphInterface& gi, boost::any pos, double xx, double yx,
 {
     Cairo::Matrix m(xx, yx, xy, yy, x0, y0);
     run_action<>()
-        (gi, std::bind(do_apply_transforms(), std::placeholders::_1,
-                       std::placeholders::_2, std::ref(m)),
+        (gi,
+         [&](auto&& graph, auto&& a2)
+         {
+             return do_apply_transforms()
+                 (std::forward<decltype(graph)>(graph),
+                  std::forward<decltype(a2)>(a2), m);
+         },
          vertex_scalar_vector_properties())(pos);