upd

Code/Inventory/Usable/UseSystem.cs

@@ -0,0 +1,15 @@
+namespace Sasalka;
+
+public static class UseSystem
+{
+	public static void TryUse( IUseContext context )
+	{
+		foreach ( var useable in context.GetUsables() )
+		{
+			if ( useable.CanUse() )
+			{
+				useable.Use();
+			}
+		}
+	}
+}