From 4dd931b54c2022224d6a7af7c8cf198367fde421 Mon Sep 17 00:00:00 2001
From: Charles Dang <exodia339@gmail.com>
Date: Sat, 23 Jun 2018 16:27:35 +1100
Subject: [PATCH] GUI2/Iterator: added some alias templates and a get()
 function

(cherry-picked from commit 1eaa51b3f9033723ac5f18d65d25780d761c2ae7)
---
 src/gui/auxiliary/iterator/iterator.hpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/gui/auxiliary/iterator/iterator.hpp b/src/gui/auxiliary/iterator/iterator.hpp
index 2efe980a3d11..19b53d9072bf 100644
--- a/src/gui/auxiliary/iterator/iterator.hpp
+++ b/src/gui/auxiliary/iterator/iterator.hpp
@@ -101,8 +101,22 @@ class iterator : private order
 	{
 		return &(operator*());
 	}
+
+	/** See @ref operator*. */
+	widget* get()
+	{
+		return operator->();
+	}
 };
 
+/* Helper aliases templates. */
+
+template<bool visit_self, bool visit_internal, bool visit_child>
+using top_down_iterator = iterator<policy::order::top_down<visit_self, visit_internal, visit_child>>;
+
+template<bool visit_self, bool visit_internal, bool visit_child>
+using bottom_up_iterator = iterator<policy::order::bottom_up<visit_self, visit_internal, visit_child>>;
+
 } // namespace iteration
 
 } // namespace gui2