diff --git a/.obsidian/workspace b/.obsidian/workspace
index cba5e5f..0f0f47b 100644
--- a/.obsidian/workspace
+++ b/.obsidian/workspace
@@ -9,7 +9,7 @@
         "state": {
           "type": "markdown",
           "state": {
-            "file": "00. TOP/01. TODO.md",
+            "file": "02. PARA/03. Resources（資源）/C++17/lambda.md",
             "mode": "source",
             "source": true
           }
@@ -69,7 +69,7 @@
             "state": {
               "type": "backlink",
               "state": {
-                "file": "00. TOP/01. TODO.md",
+                "file": "02. PARA/03. Resources（資源）/C++17/lambda.md",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -86,7 +86,7 @@
             "state": {
               "type": "outline",
               "state": {
-                "file": "00. TOP/01. TODO.md"
+                "file": "02. PARA/03. Resources（資源）/C++17/lambda.md"
               }
             }
           }
@@ -116,6 +116,7 @@
   },
   "active": "cfe19fa2de06a1e6",
   "lastOpenFiles": [
+    "02. PARA/03. Resources（資源）/C++17/lambda.md",
     "00. TOP/01. TODO.md",
     "02. PARA/01. Project（專案）/未命名.md",
     "02. PARA/01. Project（專案）/008. Sentinel.md",
@@ -124,7 +125,6 @@
     "attachments/Pasted image 20201206094618.png",
     "attachments/para_example.png",
     "attachments/Dicker Max_001.jpg",
-    "attachments/92709501_101757388184474_261941160505769984_o.jpg",
-    "attachments/2018-10-0912.49.30.png"
+    "attachments/92709501_101757388184474_261941160505769984_o.jpg"
   ]
 }
\ No newline at end of file
diff --git a/02. PARA/03. Resources（資源）/C++17/lambda.md b/02. PARA/03. Resources（資源）/C++17/lambda.md
new file mode 100644
index 0000000..9de7c16
--- /dev/null
+++ b/02. PARA/03. Resources（資源）/C++17/lambda.md	
@@ -0,0 +1,19 @@
+---
+tags: 
+aliases: 
+date: 2022-06-12 
+time: 18:21:42
+description: 
+---
+
+一個簡單的 Lamdba 運算式：
+```cpp
+[] (int x, int y) -> bool {
+    return x < y;
+}
+```
+
+- 以中括號開頭，中括號被稱為*lamdba 導入器（lamdba introducer）*
+- 小括號裡面是*lamdba 參數列表（lambda parameter list）*
+- 如果沒有參數，小括號可以省略，`[] () {...}` 可以簡寫成 `[] {...}`
+- 箭號（`->`）後面是回傳的型別，如果沒寫就由 `return` 自動推斷
\ No newline at end of file