Issue 4550 (1/2) Avoid "using namespace std;" in included files

[lilypond.git] / lily / beam-collision-engraver.cc

diff --git a/lily/beam-collision-engraver.cc b/lily/beam-collision-engraver.cc
index bb8e42e1cf19d9c95f75f1336bd95bcb7156e8b9..006db81d937bee047f331001ac92c10af59418f3 100644 (file)
--- a/lily/beam-collision-engraver.cc
+++ b/lily/beam-collision-engraver.cc
@@ -24,6 +24,8 @@
 #include "pointer-group-interface.hh"
 #include "stem.hh"
 
+using std::vector;
+
 class Beam_collision_engraver : public Engraver
 {
 protected:
@@ -115,12 +117,12 @@ Beam_collision_engraver::finalize ()
           if ((covered_grob_spanned_rank[RIGHT] >= beam_spanned_rank_[LEFT])
               && !(to_boolean (beam_grob->get_property ("collision-voice-only"))
                    && (covered_grob_context != beam_context))
-              && !(Beam::has_interface (covered_grob)
+              && !(has_interface<Beam> (covered_grob)
                    && (covered_grob_spanned_rank[LEFT] <= beam_spanned_rank_[LEFT]))
               && covered_grob_has_interface (covered_grob, beam_grob))
             {
               // Do not consider note heads attached to the beam.
-              if (Stem::has_interface (covered_grob))
+              if (has_interface<Stem> (covered_grob))
                 if (unsmob<Grob> (covered_grob->get_object ("beam")))
                   continue;