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/widgets/group.cpp
+++ b/source/gui/widgets/group.cpp
@@ -136,8 +136,12 @@ namespace nana{
 	{
 		_THROW_IF_EMPTY()

+#ifdef _nana_std_has_emplace_return_type
+		auto & opt = impl_->options.emplace_back(new checkbox{ handle() });
+#else
 		impl_->options.emplace_back(new checkbox(handle()));
 		auto & opt = impl_->options.back();
+#endif
 		opt->transparent(true);
 		opt->caption(std::move(text));
 		impl_->place_content[field_options] << *opt;