Closes #36

include/indicators/setting.hpp

@@ -31,6 +31,7 @@ SOFTWARE.
 #include <string>
 #include <type_traits>
 #include <utility>
+#include <vector>
 
 namespace indicators {
 
@@ -200,4 +201,4 @@ using SpinnerStates =
 using HideBarWhenComplete =
     details::BooleanSetting<details::ProgressBarOption::hide_bar_when_complete>;
 } // namespace option
-} // namespace indicators
+} // namespace indicators