Replaced std::make_tuple with just std::tuple

src/actions/create.cpp

@@ -660,7 +660,7 @@ place_recruit_result place_recruit(unit_ptr u, const map_location &recruit_locat
 			std::get<0>(res) |= std::get<0>(resources::game_events->pump().fire(event_name, current_loc, recruited_from));
 		}
 		if ( !validate_recruit_iterator(new_unit_itor, current_loc) )
-			return std::make_tuple(true, 0, false);
+			return std::tuple(true, 0, false);
 		new_unit_itor->set_hidden(true);
 	}
 	preferences::encountered_units().insert(new_unit_itor->type_id());
@@ -681,7 +681,7 @@ place_recruit_result place_recruit(unit_ptr u, const map_location &recruit_locat
 		std::get<1>(res) = resources::gameboard->village_owner(current_loc);
 		std::get<0>(res) |= std::get<0>(actions::get_village(current_loc, new_unit_itor->side(), &std::get<2>(res)));
 		if ( !validate_recruit_iterator(new_unit_itor, current_loc) )
-			return std::make_tuple(true, 0, false);
+			return std::tuple(true, 0, false);
 	}
 
 	// Fog clearing.

src/game_events/pump.cpp

@@ -601,7 +601,7 @@ pump_result_t wml_event_pump::operator()()
 	// This is used to track when moves, recruits, etc. happen.
 	resources::whiteboard->on_gamestate_change();
 
-	return std::make_tuple(undo_disabled(), action_canceled());
+	return std::tuple(undo_disabled(), action_canceled());
 }
 
 void wml_event_pump::flush_messages()

src/gui/dialogs/unit_list.cpp

@@ -165,7 +165,7 @@ void unit_list::pre_show(window& window)
 	list.register_sorting_option(3, [this](const int i) { return unit_list_[i]->hitpoints(); });
 	list.register_sorting_option(4, [this](const int i) {
 		const unit& u = *unit_list_[i];
-		return std::make_tuple(u.level(), -static_cast<int>(u.experience_to_advance()));
+		return std::tuple(u.level(), -static_cast<int>(u.experience_to_advance()));
 	});
 	list.register_sorting_option(5, [this](const int i) { return unit_list_[i]->experience(); });
 	list.register_translatable_sorting_option(6, [this](const int i) {

src/gui/dialogs/unit_recall.cpp

@@ -296,7 +296,7 @@ void unit_recall::pre_show(window& window)
 	list.register_translatable_sorting_option(1, [this](const int i) { return recall_list_[i]->name().str(); });
 	list.register_sorting_option(2, [this](const int i) {
 		const unit& u = *recall_list_[i];
-		return std::make_tuple(u.level(), -static_cast<int>(u.experience_to_advance()));
+		return std::tuple(u.level(), -static_cast<int>(u.experience_to_advance()));
 	});
 	list.register_sorting_option(3, [this](const int i) { return recall_list_[i]->experience(); });
 	list.register_translatable_sorting_option(4, [this](const int i) {

src/units/filter.cpp

@@ -690,7 +690,7 @@ void unit_filter_compound::fill(vconfig cfg)
 		for(auto child : cfg.all_ordered()) {
 			CONDITIONAL_TYPE cond;
 			if(cond.parse(child.first)) {
-				cond_children_.emplace_back(std::piecewise_construct_t(), std::make_tuple(cond), std::make_tuple(child.second));
+				cond_children_.emplace_back(std::piecewise_construct_t(), std::tuple(cond), std::tuple(child.second));
 			}
 			else if (child.first == "filter_wml") {
 				create_child(child.second, [](const vconfig& c, const unit_filter_args& args) {