| // Lifetime annotation needed because we have no arguments. |
| fn f() -> &isize { //~ ERROR missing lifetime specifier |
| panic!() |
| } |
| |
| // Lifetime annotation needed because we have two by-reference parameters. |
| fn g(_x: &isize, _y: &isize) -> &isize { //~ ERROR missing lifetime specifier |
| panic!() |
| } |
| |
| struct Foo<'a> { |
| x: &'a isize, |
| } |
| |
| // Lifetime annotation needed because we have two lifetimes: one as a parameter |
| // and one on the reference. |
| fn h(_x: &Foo) -> &isize { //~ ERROR missing lifetime specifier |
| panic!() |
| } |
| |
| fn i(_x: isize) -> &isize { //~ ERROR missing lifetime specifier |
| panic!() |
| } |
| |
| // Cases which used to work but now don't. |
| |
| type StaticStr = &'static str; // hides 'static |
| trait WithLifetime<'a> { |
| type Output; // can hide 'a |
| } |
| |
| // This worked because the type of the first argument contains |
| // 'static, although StaticStr doesn't even have parameters. |
| fn j(_x: StaticStr) -> &isize { //~ ERROR missing lifetime specifier |
| panic!() |
| } |
| |
| // This worked because the compiler resolved the argument type |
| // to <T as WithLifetime<'a>>::Output which has the hidden 'a. |
| fn k<'a, T: WithLifetime<'a>>(_x: T::Output) -> &isize { |
| //~^ ERROR missing lifetime specifier |
| panic!() |
| } |
| |
| fn main() {} |