| #![feature(box_syntax)] | |
| trait X { | |
| fn get_i(&self) -> isize; | |
| } | |
| struct B { | |
| i: isize | |
| } | |
| impl X for B { | |
| fn get_i(&self) -> isize { | |
| self.i | |
| } | |
| } | |
| struct A<'a> { | |
| p: &'a (dyn X + 'a) | |
| } | |
| fn make_a<'a>(p: &'a dyn X) -> A<'a> { | |
| A { p: p } | |
| } | |
| fn make_make_a<'a>() -> A<'a> { | |
| let b: Box<B> = box B {i:1}; | |
| let bb: &B = &*b; | |
| make_a(bb) //~ ERROR cannot return value referencing local data `*b` | |
| } | |
| fn main() { | |
| let _a = make_make_a(); | |
| } |