| // Copyright 2014 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. |
| |
| // Test coercions involving DST and/or raw pointers |
| |
| // pretty-expanded FIXME #23616 |
| |
| struct S; |
| trait T { fn dummy(&self) { } } |
| impl T for S {} |
| |
| pub fn main() { |
| let x: &T = &S; |
| // Test we can convert from &-ptr to *-ptr of trait objects |
| let x: *const T = &S; |
| |
| // Test we can convert from &-ptr to *-ptr of struct pointer (not DST) |
| let x: *const S = &S; |
| |
| // As above, but mut |
| let x: &mut T = &mut S; |
| let x: *mut T = &mut S; |
| |
| let x: *mut S = &mut S; |
| |
| // Test we can change the mutability from mut to const. |
| let x: &T = &mut S; |
| let x: *const T = &mut S; |
| } |