finshed ch17 intro

.obsidian/workspace.json

@@ -49,6 +49,20 @@
               "title": "Async, Await, Futures and Streams"
             }
           },
+          {
+            "id": "6142f6650517896f",
+            "type": "leaf",
+            "state": {
+              "type": "markdown",
+              "state": {
+                "file": "Futures and Async.md",
+                "mode": "source",
+                "source": false
+              },
+              "icon": "lucide-file",
+              "title": "Futures and Async"
+            }
+          },
           {
             "id": "2a974ca5442d705f",
             "type": "leaf",
@@ -102,7 +116,7 @@
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           }
         ],
-        "currentTab": 2
+        "currentTab": 3
       }
     ],
     "direction": "vertical"
@@ -245,10 +259,11 @@
       "command-palette:Open command palette": false
     }
   },
-  "active": "42d65c7d3f15198d",
+  "active": "6142f6650517896f",
   "lastOpenFiles": [
-    "Concurrency.md",
     "Async, Await, Futures and Streams.md",
+    "Futures and Async.md",
+    "Concurrency.md",
     "Shared State Concurrency.md",
     "Sync and Send.md",
     "().md",
@@ -273,7 +288,6 @@
     "Modules.md",
     "Generic Types Traits and Lifetimes.md",
     "Generics.md",
-    "Lifetimes.md",
     "does_not_compile.svg",
     "Untitled.canvas",
     "Good and Bad Code/Commenting Pratices",