34 lines
1.4 KiB
Rust
34 lines
1.4 KiB
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Test coercions between pointers which don't do anything fancy like unsizing.
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// These are testing that we don't lose mutability when converting to raw pointers.
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pub fn main() {
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// *const -> *mut
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let x: *const isize = &42;
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let x: *mut isize = x; //~ ERROR mismatched types
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//~| expected type `*mut isize`
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//~| found type `*const isize`
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//~| values differ in mutability
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// & -> *mut
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let x: *mut isize = &42; //~ ERROR mismatched types
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//~| expected type `*mut isize`
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//~| found type `&isize`
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//~| values differ in mutability
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let x: *const isize = &42;
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let x: *mut isize = x; //~ ERROR mismatched types
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//~| expected type `*mut isize`
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//~| found type `*const isize`
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//~| values differ in mutability
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}
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