finished ch20.5 and ch20 WHOOH

.obsidian/workspace.json

@@ -35,20 +35,6 @@
               "title": "Macros"
             }
           },
-          {
-            "id": "25c7cbda3cd74261",
-            "type": "leaf",
-            "state": {
-              "type": "markdown",
-              "state": {
-                "file": "Macros.md",
-                "mode": "source",
-                "source": false
-              },
-              "icon": "lucide-file",
-              "title": "Macros"
-            }
-          },
           {
             "id": "8efdb57e394f2650",
             "type": "leaf",
@@ -101,8 +87,7 @@
               "title": "Graph view"
             }
           }
-        ],
-        "currentTab": 1
+        ]
       }
     ],
     "direction": "vertical"
@@ -245,12 +230,12 @@
       "command-palette:Open command palette": false
     }
   },
-  "active": "0cdb5cb65c12cd29",
+  "active": "de2ac5df5b921166",
   "lastOpenFiles": [
+    "Macros.md",
     "Advanced Features.md",
     "Advanced Functions and Closures.md",
     "Advanced Traits.md",
-    "Macros.md",
     "Advanced Types.md",
     "Enums.md",
     "Unsafe Rust.md",