| // revisions: sig local structure ok elision |
| |
| #![allow(dead_code)] |
| #![feature(rustc_attrs)] |
| #![feature(unboxed_closures)] |
| |
| trait Foo { |
| type Item; |
| } |
| |
| #[cfg(sig)] |
| fn sig1(_: for<'a> fn() -> &'a i32) { |
| //[sig]~^ ERROR return type references lifetime `'a` |
| } |
| |
| #[cfg(sig)] |
| fn sig2(_: for<'a, 'b> fn(&'b i32) -> &'a i32) { |
| //[sig]~^ ERROR return type references lifetime `'a` |
| } |
| |
| #[cfg(local)] |
| fn local1() { |
| let _: for<'a> fn() -> &'a i32 = loop { }; |
| //[local]~^ ERROR return type references lifetime `'a` |
| } |
| |
| #[cfg(structure)] |
| struct Struct1 { |
| x: for<'a> fn() -> &'a i32 |
| //[structure]~^ ERROR return type references lifetime `'a` |
| } |
| |
| #[cfg(elision)] |
| fn elision(_: fn() -> &i32) { |
| //[elision]~^ ERROR E0106 |
| } |
| |
| struct Parameterized<'a> { x: &'a str } |
| |
| #[cfg(ok)] |
| fn ok1(_: &dyn for<'a> Fn(&Parameterized<'a>) -> &'a i32) { |
| } |
| |
| #[cfg(ok)] |
| fn ok2(_: &dyn for<'a,'b> Fn<(&'b Parameterized<'a>,), Output=&'a i32>) { |
| } |
| |
| #[rustc_error] |
| fn main() { } //[ok]~ ERROR compilation successful |