replace include guards with pragma once

src/items/Inventories.hpp

@@ -1,5 +1,4 @@
-#ifndef ITEMS_INVENTORIES_HPP_
-#define ITEMS_INVENTORIES_HPP_
+#pragma once
 
 #include <memory>
 #include <string>
@@ -41,4 +40,3 @@ public:
     const inventories_map& getMap() const;
 };
 
-#endif  // ITEMS_INVENTORIES_HPP_

src/items/Inventory.hpp

@@ -1,5 +1,4 @@
-#ifndef ITEMS_INVENTORY_HPP_
-#define ITEMS_INVENTORY_HPP_
+#pragma once
 
 #include <memory>
 #include <vector>
@@ -59,5 +58,3 @@ public:
 
     static const size_t npos;
 };
-
-#endif  // ITEMS_INVENTORY_HPP_

src/items/ItemDef.hpp

@@ -1,5 +1,4 @@
-#ifndef CONTENT_ITEMS_ITEM_DEF_HPP_
-#define CONTENT_ITEMS_ITEM_DEF_HPP_
+#pragma once
 
 #include <glm/glm.hpp>
 #include <string>
@@ -46,5 +45,3 @@ struct ItemDef {
     ItemDef(const std::string& name);
     ItemDef(const ItemDef&) = delete;
 };
-
-#endif  // CONTENT_ITEMS_ITEM_DEF_HPP_

src/items/ItemStack.hpp

@@ -1,5 +1,4 @@
-#ifndef ITEMS_ITEM_STACK_HPP_
-#define ITEMS_ITEM_STACK_HPP_
+#pragma once
 
 #include "constants.hpp"
 #include "typedefs.hpp"
@@ -36,5 +35,3 @@ public:
         return count;
     }
 };
-
-#endif  // ITEMS_ITEM_STACK_HPP_