thing.rs

struct Thing;

fn do_stuff<'a>(thing: &'a Thing) -> &'a fn() {
    let cloned_thing = thing.clone();
    || {
        let cloned_cloned_thing = cloned_thing.clone();
    }
}

fn main() {}

thing.rs:4:36: 7:5 error: cannot infer an appropriate lifetime due to conflicting requirements
thing.rs:4     let cloned_thing = thing.clone();
thing.rs:5     || {
thing.rs:6         let cloned_cloned_thing = cloned_thing.clone();
thing.rs:7     }
thing.rs:3:46: 8:1 note: first, the lifetime cannot outlive the block at 3:46...
thing.rs:3 fn do_stuff<'a>(thing: &'a Thing) -> &'a fn() {
thing.rs:4     let cloned_thing = thing.clone();
thing.rs:5     || {
thing.rs:6         let cloned_cloned_thing = cloned_thing.clone();
thing.rs:7     }
thing.rs:8 }
thing.rs:4:36: 7:5 note: ...due to the following expression
thing.rs:4     let cloned_thing = thing.clone();
thing.rs:5     || {
thing.rs:6         let cloned_cloned_thing = cloned_thing.clone();
thing.rs:7     }
thing.rs:3:46: 8:1 note: but, the lifetime must be valid for the lifetime &'a  as defined on the block at 3:46...
thing.rs:3 fn do_stuff<'a>(thing: &'a Thing) -> &'a fn() {
thing.rs:4     let cloned_thing = thing.clone();
thing.rs:5     || {
thing.rs:6         let cloned_cloned_thing = cloned_thing.clone();
thing.rs:7     }
thing.rs:8 }
thing.rs:4:36: 7:5 note: ...due to the following expression
thing.rs:4     let cloned_thing = thing.clone();
thing.rs:5     || {
thing.rs:6         let cloned_cloned_thing = cloned_thing.clone();
thing.rs:7     }
error: aborting due to previous error