| // Copyright 2012 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. |
| |
| |
| // pretty-expanded FIXME #23616 |
| |
| struct Rec { |
| f: Box<isize>, |
| } |
| |
| struct Outer { |
| f: Inner |
| } |
| |
| struct Inner { |
| g: Innermost |
| } |
| |
| struct Innermost { |
| h: Box<isize>, |
| } |
| |
| fn borrow(_v: &isize) {} |
| |
| fn box_mut(v: &mut Box<isize>) { |
| borrow(&**v); // OK: &mut -> &imm |
| } |
| |
| fn box_mut_rec(v: &mut Rec) { |
| borrow(&*v.f); // OK: &mut -> &imm |
| } |
| |
| fn box_mut_recs(v: &mut Outer) { |
| borrow(&*v.f.g.h); // OK: &mut -> &imm |
| } |
| |
| fn box_imm(v: &Box<isize>) { |
| borrow(&**v); // OK |
| } |
| |
| fn box_imm_rec(v: &Rec) { |
| borrow(&*v.f); // OK |
| } |
| |
| fn box_imm_recs(v: &Outer) { |
| borrow(&*v.f.g.h); // OK |
| } |
| |
| pub fn main() { |
| } |