From 87964eb57acc18285ae31aced6ec3054ccdf5a52 Mon Sep 17 00:00:00 2001
From: bubnikv <bubnikv@gmail.com>
Date: Wed, 11 Jan 2017 13:44:11 +0100
Subject: [PATCH] Move semantics for the ExPolygon constructor.

---
 xs/src/libslic3r/ExPolygon.hpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/xs/src/libslic3r/ExPolygon.hpp b/xs/src/libslic3r/ExPolygon.hpp
index 7d1a609eaf..589649fa0f 100644
--- a/xs/src/libslic3r/ExPolygon.hpp
+++ b/xs/src/libslic3r/ExPolygon.hpp
@@ -13,9 +13,14 @@ typedef std::vector<ExPolygon> ExPolygons;
 
 class ExPolygon
 {
-    public:
+public:
+    ExPolygon() {}
+    ExPolygon(const ExPolygon &other) : contour(other.contour), holes(other.holes) {}
+    ExPolygon(ExPolygon &&other) : contour(std::move(other.contour)), holes(std::move(other.holes)) {}
+
     Polygon contour;
     Polygons holes;
+
     operator Points() const;
     operator Polygons() const;
     operator Polylines() const;