35 lines
1014 B
Rust
35 lines
1014 B
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 involving DST and/or raw pointers
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struct S;
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trait T {}
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impl T for S {}
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pub fn main() {
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let x: &T = &S;
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// Test we can convert from &-ptr to *-ptr of trait objects
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let x: *const T = &S;
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// Test we can convert from &-ptr to *-ptr of struct pointer (not DST)
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let x: *const S = &S;
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// As above, but mut
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let x: &mut T = &mut S;
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let x: *mut T = &mut S;
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let x: *mut S = &mut S;
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// Test we can change the mutability from mut to const.
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let x: &T = &mut S;
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let x: *const T = &mut S;
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}
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