Fix a bug in 'backward' library

marcomagdy · marcomagdy · commit 55cd3f475b4a · 2019-05-18T22:57:44.000-07:00
Reported by LGTM
A const modifier on a return by value has no effect.
This is obviously a mistake and the return type should've been a const&amp;
diff --git a/include/backward.h b/include/backward.h
@@ -511,7 +511,7 @@ class handle {
     }
 
     T operator->() { return _val; }
-    const T operator->() const { return _val; }
+    const T& operator->() const { return _val; }
 
     typedef typename rm_ptr<T>::type& ref_t;
     typedef const typename rm_ptr<T>::type& const_ref_t;

Original file line number	Diff line number	Diff line change
`@@ -511,7 +511,7 @@ class handle {`
`511`	`511`	`}`
`512`	`512`
`513`	`513`	`T operator->() { return _val; }`
`514`		`- const T operator->() const { return _val; }`
	`514`	`+ const T& operator->() const { return _val; }`
`515`	`515`
`516`	`516`	`typedef typename rm_ptr<T>::type& ref_t;`
`517`	`517`	`typedef const typename rm_ptr<T>::type& const_ref_t;`