make the while let loop terminate

nikomatsakis · web-flow · commit 91680347a7ef · 2018-06-25T17:33:49.000-04:00
diff --git a/src/doc/unstable-book/src/language-features/irrefutable-let-patterns.md b/src/doc/unstable-book/src/language-features/irrefutable-let-patterns.md
@@ -23,6 +23,6 @@ fn main() {
     // These two examples used to be errors, but now they
     // trigger a lint (that is allowed):
     if let _ = 5 {}
-    while let _ = 5 {}
+    while let _ = 5 { break; }
 }
 ```

Original file line number	Diff line number	Diff line change
`@@ -23,6 +23,6 @@ fn main() {`
`23`	`23`	`// These two examples used to be errors, but now they`
`24`	`24`	`// trigger a lint (that is allowed):`
`25`	`25`	`if let _ = 5 {}`
`26`		`- while let _ = 5 {}`
	`26`	`+ while let _ = 5 { break; }`
`27`	`27`	`}`
`28`	`28`	```