// run-pass | |
// Tests that you can use a fn lifetime parameter as part of | |
// the value for a type parameter in a bound. | |
trait Get<T> { | |
fn get(&self) -> T; | |
} | |
#[derive(Copy, Clone)] | |
struct Box<T> { | |
t: T | |
} | |
impl<T:Clone> Get<T> for Box<T> { | |
fn get(&self) -> T { | |
self.t.clone() | |
} | |
} | |
fn add<'a,G:Get<&'a isize>>(g1: G, g2: G) -> isize { | |
*g1.get() + *g2.get() | |
} | |
pub fn main() { | |
let b1 = Box { t: &3 }; | |
assert_eq!(add(b1, b1), 6); | |
} |