using C++17 emplace return type

2018-08-27 06:51:20 +08:00
parent fe185e382b
commit 81d667dbd7
12 changed files with 78 additions and 13 deletions
--- a/source/gui/place.cpp
+++ b/source/gui/place.cpp
@@ -742,8 +742,14 @@ namespace nana

 		void _m_add_agent(const detail::place_agent& ag) override
 		{
+#ifdef _nana_std_has_emplace_return_type
+			this->operator<<(
+					widgets_.emplace_back(ag.create(place_ptr_->window_handle()))->handle()
+				);
+#else
 			widgets_.emplace_back(ag.create(place_ptr_->window_handle()));
 			this->operator<<(widgets_.back()->handle());
+#endif
 		}
 	public:
 		division* attached{ nullptr };