| // 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 between pointers which don't do anything fancy like unsizing. |
| // These are testing that we don't lose mutability when converting to raw pointers. |
| |
| pub fn main() { |
| // *const -> *mut |
| let x: *const isize = &42; |
| let x: *mut isize = x; //~ ERROR mismatched types |
| //~| expected type `*mut isize` |
| //~| found type `*const isize` |
| //~| types differ in mutability |
| |
| // & -> *mut |
| let x: *mut isize = &42; //~ ERROR mismatched types |
| //~| expected type `*mut isize` |
| //~| found type `&isize` |
| //~| types differ in mutability |
| |
| let x: *const isize = &42; |
| let x: *mut isize = x; //~ ERROR mismatched types |
| //~| expected type `*mut isize` |
| //~| found type `*const isize` |
| //~| types differ in mutability |
| } |