add refrence

Sophomore42 · Sophomore42 · commit 77d4a6d17b97 · 2024-10-23T19:10:44.000+08:00
diff --git a/_code/CppCon/2023/back_to_basics_functions.md b/_code/CppCon/2023/back_to_basics_functions.md
@@ -51,7 +51,7 @@ ref: Back to Basics: Lambfas from scratch in cppcon 2019
 
 ref: Back to Basics: Lambdas in cppcon 2021
 
-ref: C++ Lambda Idioms in cppcon 2022
+ref: C++ Lambda Idioms in cppcon 2022 [markdown](../2022/c++_lambda_idioms.md)  [html](../2022/c++_lambda_idioms.html)
 
 `std::function`
 
