// 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 or the MIT license // , 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 } } let thing = Thing(72); *thing }; }