[overlay] fix unused warnings

boostorg · Jun 2, 2017 · 384d4b4 · 384d4b4
1 parent 9ad0fb4
commit 384d4b4
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/include/boost/geometry/algorithms/detail/overlay/traversal.hpp b/include/boost/geometry/algorithms/detail/overlay/traversal.hpp
@@ -19,6 +19,8 @@
 #include <boost/geometry/core/access.hpp>
 #include <boost/geometry/core/assert.hpp>
 
+#include <boost/core/ignore_unused.hpp>
+
 #if defined(BOOST_GEOMETRY_DEBUG_INTERSECTION) \
  || defined(BOOST_GEOMETRY_OVERLAY_REPORT_WKT) \
  || defined(BOOST_GEOMETRY_DEBUG_TRAVERSE)
@@ -191,6 +193,7 @@ struct traversal
  inline bool is_visited(turn_type const& , turn_operation_type const& op,
  signed_size_type , int) const
  {
+ boost::ignore_unused(turn, turn_index, op_index);
  return op.visited.visited();
  }