| #![unstable(feature = "humans", |
| reason = "who ever let humans program computers, |
| we're apparently really bad at it", |
| issue = "none")] |
| |
| #![feature(const_fn)] |
| #![feature(staged_api)] |
| |
| #[stable(feature = "rust1", since = "1.0.0")] |
| #[rustc_const_unstable(feature="foo", issue = "none")] |
| const fn foo() -> u32 { 42 } |
| |
| fn meh() -> u32 { 42 } |
| |
| const fn bar() -> u32 { foo() } //~ ERROR `foo` is not yet stable as a const fn |
| |
| fn a() { |
| let _: &'static u32 = &foo(); //~ ERROR temporary value dropped while borrowed |
| } |
| |
| fn main() { |
| let _: &'static u32 = &meh(); //~ ERROR temporary value dropped while borrowed |
| let x: &'static _ = &std::time::Duration::from_millis(42).subsec_millis(); |
| //~^ ERROR temporary value dropped while borrowed |
| } |