| // 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 implicit coercions involving DSTs and raw pointers. |
| |
| struct S; |
| trait T {} |
| impl T for S {} |
| |
| struct Foo<T: ?Sized> { |
| f: T |
| } |
| |
| pub fn main() { |
| // Test that we cannot convert from *-ptr to &-ptr |
| let x: *const S = &S; |
| let y: &S = x; //~ ERROR mismatched types |
| let y: &T = x; //~ ERROR mismatched types |
| |
| // Test that we cannot convert from *-ptr to &-ptr (mut version) |
| let x: *mut S = &mut S; |
| let y: &S = x; //~ ERROR mismatched types |
| let y: &T = x; //~ ERROR mismatched types |
| |
| // Test that we cannot convert an immutable ptr to a mutable one using *-ptrs |
| let x: &mut T = &S; //~ ERROR mismatched types |
| let x: *mut T = &S; //~ ERROR mismatched types |
| let x: *mut S = &S; //~ ERROR mismatched types |
| } |