From d6fe7d485acecfcc7712da5583f87ea3422f090d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Loriot?= <sebastien.loriot@cgal.org>
Date: Thu, 13 Jun 2019 07:44:58 +0200
Subject: [PATCH] add declaration before usage

---
 .../CGAL/boost/graph/split_graph_into_polylines.h     | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/BGL/include/CGAL/boost/graph/split_graph_into_polylines.h b/BGL/include/CGAL/boost/graph/split_graph_into_polylines.h
index 09fe353349b..3f04c5fdb12 100644
--- a/BGL/include/CGAL/boost/graph/split_graph_into_polylines.h
+++ b/BGL/include/CGAL/boost/graph/split_graph_into_polylines.h
@@ -201,7 +201,16 @@ void duplicate_terminal_vertices(Graph& graph,
     
 } // namespace internal
 
-  
+template <typename Graph,
+          typename Visitor,
+          typename IsTerminal,
+          typename LessForVertexDescriptors>
+void
+split_graph_into_polylines(const Graph& graph,
+                           Visitor& polyline_visitor,
+                           IsTerminal is_terminal,
+                           LessForVertexDescriptors less);
+
 /*!
 \ingroup PkgBGL
 splits into polylines the graph `g` at vertices of degree greater than 2