| //@ check-fail | |
| use std::ops::Deref; | |
| fn main() { | |
| fn save(who: &str) { | |
| println!("I'll save you, {}!", who); | |
| } | |
| struct Madoka; | |
| impl Deref for Madoka { | |
| type Target = str; | |
| fn deref(&self) -> &Self::Target { | |
| "Madoka" | |
| } | |
| } | |
| save(&{ Madoka }); | |
| fn reset(how: &u32) { | |
| println!("Reset {} times", how); | |
| } | |
| struct Homura; | |
| impl Deref for Homura { | |
| type Target = u32; | |
| fn deref(&self) -> &Self::Target { | |
| &42 | |
| } | |
| } | |
| reset(&{ Homura }); | |
| //~^ ERROR mismatched types | |
| } |