finished ch 7.4

.obsidian/workspace.json

@@ -34,23 +34,9 @@
               "icon": "lucide-file",
               "title": "Modules and Use"
             }
-          },
-          {
-            "id": "773e0725828dabb7",
-            "type": "leaf",
-            "state": {
-              "type": "markdown",
-              "state": {
-                "file": "Project Organization.md",
-                "mode": "source",
-                "source": false
-              },
-              "icon": "lucide-file",
-              "title": "Project Organization"
-            }
           }
         ],
-        "currentTab": 2
+        "currentTab": 1
       }
     ],
     "direction": "vertical"
@@ -192,18 +178,19 @@
       "command-palette:Open command palette": false
     }
   },
-  "active": "773e0725828dabb7",
+  "active": "b80f5219fa24358f",
   "lastOpenFiles": [
-    "data_types.md",
+    "Packages.md",
+    "Crates.md",
     "Project Organization.md",
-    "does_not_compile.svg",
+    "crates.io.md",
     "Modules and Use.md",
+    "Paths.md",
+    "data_types.md",
+    "does_not_compile.svg",
     "Structures.md",
     "Primitives.md",
-    "Paths.md",
-    "Crates.md",
     "Untitled.canvas",
-    "Packages.md",
     "Enums.md",
     "Packages and Crates.md",
     "Good and Bad Code/Commenting Pratices",