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1a4d82fc | 1 | // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
223e47cc LB |
2 | // file at the top-level directory of this distribution and at |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
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. | |
10 | ||
62682a34 | 11 | trait Trait {} |
d9579d0f | 12 | |
62682a34 | 13 | // Make sure casts between thin-pointer <-> fat pointer obey RFC401 |
c34b1796 | 14 | fn main() { |
9346a6ac AL |
15 | let a: &[i32] = &[1, 2, 3]; |
16 | let b: Box<[i32]> = Box::new([1, 2, 3]); | |
62682a34 SL |
17 | let p = a as *const [i32]; |
18 | let q = a.as_ptr(); | |
9346a6ac | 19 | |
c1a9b12d | 20 | a as usize; //~ ERROR casting |
54a0048b | 21 | //~^ HELP cast through a raw pointer first |
d9579d0f | 22 | b as usize; //~ ERROR non-scalar cast |
c1a9b12d SL |
23 | p as usize; |
24 | //~^ ERROR casting | |
e9174d1e | 25 | //~^^ HELP cast through a thin pointer |
d9579d0f | 26 | |
62682a34 | 27 | // #22955 |
54a0048b | 28 | q as *const [i32]; //~ ERROR cannot cast |
d9579d0f | 29 | |
62682a34 | 30 | // #21397 |
c1a9b12d SL |
31 | let t: *mut (Trait + 'static) = 0 as *mut _; //~ ERROR casting |
32 | let mut fail: *const str = 0 as *const str; //~ ERROR casting | |
223e47cc | 33 | } |