// Copyright 2012 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![allow(dead_code)] fn non_elidable<'a, 'b>(a: &'a u8, b: &'b u8) -> &'a u8 { a } // the boundaries of elision static NON_ELIDABLE_FN : &fn(&u8, &u8) -> &u8 = //~^ ERROR: missing lifetime specifier &(non_elidable as fn(&u8, &u8) -> &u8); type Baz<'a> = fn(&'a [u8]) -> Option; fn baz(e: &[u8]) -> Option { e.first().map(|x| *x) } static STATIC_BAZ : &Baz<'static> = &(baz as Baz); const CONST_BAZ : &Baz<'static> = &(baz as Baz); fn main() { let x = &[1u8, 2, 3]; let y = x; //surprisingly this appears to work, so lifetime < `'static` is valid assert_eq!(Some(1), STATIC_BAZ(y)); assert_eq!(Some(1), CONST_BAZ(y)); }