Use std::optional instead of sentinel values for absent data

2026-07-20 20:27:20 +02:00
parent 1cdafb7bcd
commit 9622fa4345
32 changed files with 228 additions and 209 deletions
--- a/src/test/SimulationTestAccess.h
+++ b/src/test/SimulationTestAccess.h
@@ -1,5 +1,7 @@
 #pragma once

+#include <optional>
+
 #include <QPoint>

 #include "BuildingId.h"
@@ -25,8 +27,8 @@ struct SimulationTestAccess
    static BuildingSystem& buildings(Simulation& sim) { return sim.getBuildingsMutable(); }
    static BeltSystem&     belts(Simulation& sim)     { return sim.getBeltsMutable(); }

-    static BuildingId place(Simulation& sim, BuildingType type, QPoint anchor,
-                            Rotation rotation)
+    static std::optional<BuildingId> place(Simulation& sim, BuildingType type,
+                                           QPoint anchor, Rotation rotation)
    {
        return sim.tryPlaceBuilding(type, anchor, rotation);
    }