// Similar to regions-ret-borrowed.rs, but using a named lifetime. At // some point regions-ret-borrowed reported an error but this file did // not, due to special hardcoding around the anonymous region. fn with(f: F) -> R where F: for<'a> FnOnce(&'a 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); }