diff options
Diffstat (limited to 'src/test/ui/regions/regions-ret-borrowed.rs')
-rw-r--r-- | src/test/ui/regions/regions-ret-borrowed.rs | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/src/test/ui/regions/regions-ret-borrowed.rs b/src/test/ui/regions/regions-ret-borrowed.rs deleted file mode 100644 index bdb0341c9..000000000 --- a/src/test/ui/regions/regions-ret-borrowed.rs +++ /dev/null @@ -1,20 +0,0 @@ -// Ensure that you cannot use generic types to return a region outside -// of its bound. Here, in the `return_it()` fn, we call with() but -// with R bound to &isize from the return_it. Meanwhile, with() -// provides a value that is only good within its own stack frame. This -// used to successfully compile because we failed to account for the -// fact that fn(x: &isize) rebound the region &. - -fn with<R, F>(f: F) -> R where F: FnOnce(&isize) -> R { - f(&3) -} - -fn return_it<'a>() -> &'a isize { - with(|o| o) - //~^ ERROR lifetime may not live long enough -} - -fn main() { - let x = return_it(); - println!("foo={}", *x); -} |