1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // Test coercions between pointers which don't do anything fancy like unsizing.
12 // These are testing that we don't lose mutability when converting to raw pointers.
16 let x: *const isize = &42;
17 let x: *mut isize = x; //~ ERROR mismatched types
18 //~| expected type `*mut isize`
19 //~| found type `*const isize`
20 //~| types differ in mutability
23 let x: *mut isize = &42; //~ ERROR mismatched types
24 //~| expected type `*mut isize`
25 //~| found type `&isize`
26 //~| types differ in mutability
28 let x: *const isize = &42;
29 let x: *mut isize = x; //~ ERROR mismatched types
30 //~| expected type `*mut isize`
31 //~| found type `*const isize`
32 //~| types differ in mutability