1 #![feature(staged_api)]
2 #![feature(const_eval_select)]
3 #![feature(core_intrinsics)]
4 #![stable(since = "1.0", feature = "ui_test")]
6 use std::intrinsics::const_eval_select;
9 println!("HEY HEY HEY")
14 #[stable(since = "1.0", feature = "hey")]
15 #[rustc_const_stable(since = "1.0", feature = "const_hey")]
16 pub const unsafe fn hey() {
17 const_eval_select((), nothing, log);
18 //~^ ERROR `const_eval_select` is not yet stable as a const fn