| // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // Regression test for #24356 |
| |
| // ignore-tidy-linelength |
| |
| fn main() { |
| { |
| use std::ops::Deref; |
| |
| struct Thing(i8); |
| |
| /* |
| // Correct impl |
| impl Deref for Thing { |
| type Target = i8; |
| fn deref(&self) -> &i8 { &self.0 } |
| } |
| */ |
| |
| // Causes ICE |
| impl Deref for Thing { |
| //~^ ERROR not all trait items implemented, missing: `Target` [E0046] |
| fn deref(&self) -> i8 { self.0 } |
| //~^ ERROR method `deref` has an incompatible type for trait |
| //~| expected &-ptr |
| //~| found i8 [E0053] |
| } |
| |
| let thing = Thing(72); |
| |
| *thing |
| }; |
| } |
