chore: update if let example to include pattern binding

2 years ago · 663b6848fa
parent db3ea05cf6
commit 663b6848fa
1 changed files with 2 additions and 2 deletions
--- a/src/basic/match-pattern/match-if-let.md
+++ b/src/basic/match-pattern/match-if-let.md
@ -274,8 +274,8 @@ match some_u8_value {
 俗话说“杀鸡焉用牛刀”，我们完全可以用 `if let` 的方式来实现：
 ```rust
-if let Some(3) = v {
+if let Some(num) = v {
-    println!("three");
+    println!("{}", num);
 }
 ```