From 179c3969a659e142922a8c3f55c24cf4221a7f6c Mon Sep 17 00:00:00 2001
From: Joseph Lenox <lenox.joseph@gmail.com>
Date: Tue, 8 May 2018 23:13:47 -0500
Subject: [PATCH] use integers instead of size_t for object identifiers.

Need a better solution for semantics (perl used undef, python would have used None).
---
 src/GUI/Plater/PlaterObject.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/GUI/Plater/PlaterObject.hpp b/src/GUI/Plater/PlaterObject.hpp
index 3d06601c3..d1d2f7056 100644
--- a/src/GUI/Plater/PlaterObject.hpp
+++ b/src/GUI/Plater/PlaterObject.hpp
@@ -13,7 +13,7 @@ namespace Slic3r { namespace GUI {
 class PlaterObject {
 public:
     std::string name {""};
-    size_t identifier {0U};
+    int identifier {0};
     std::string input_file {""};
     int input_file_obj_idx {-1};