Fix a syntax error in leaking.md

BillXWB · BillXWB · commit 32733960df25 · 2022-02-02T21:06:22.000+08:00
diff --git a/src/leaking.md b/src/leaking.md
@@ -209,7 +209,7 @@ Usage looked like:
 ```rust,ignore
 let mut data = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
 {
-    let guards = vec![];
+    let mut guards = vec![];
     for x in &mut data {
         // Move the mutable reference into the closure, and execute
         // it on a different thread. The closure has a lifetime bound

Original file line number	Diff line number	Diff line change
`@@ -209,7 +209,7 @@ Usage looked like:`
`209`	`209`	```rust,ignore
`210`	`210`	`let mut data = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];`
`211`	`211`	`{`
`212`		`- let guards = vec![];`
	`212`	`+ let mut guards = vec![];`
`213`	`213`	`for x in &mut data {`
`214`	`214`	`// Move the mutable reference into the closure, and execute`
`215`	`215`	`// it on a different thread. The closure has a lifetime bound`