apply folding expression and std::optional

2017-12-23 00:10:10 +08:00
parent 4917b18c70
commit be836b5b48
11 changed files with 58 additions and 28 deletions
--- a/source/gui/programming_interface.cpp
+++ b/source/gui/programming_interface.cpp
@@ -1450,7 +1450,7 @@ namespace API
 		restrict::wd_manager().set_safe_place(reinterpret_cast<basic_window*>(wd), std::move(fn));
 	}

-	optional<std::pair<size, size>> content_extent(window wd, unsigned limited_px, bool limit_width)
+	std::optional<std::pair<size, size>> content_extent(window wd, unsigned limited_px, bool limit_width)
 	{
 		auto iwd = reinterpret_cast<basic_window*>(wd);
 		internal_scope_guard lock;