35 lines
1.2 KiB
Rust
35 lines
1.2 KiB
Rust
// Copyright 2015 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.
|
|
|
|
trait Trait {}
|
|
|
|
// Make sure casts between thin-pointer <-> fat pointer obey RFC401
|
|
fn main() {
|
|
let a: &[i32] = &[1, 2, 3];
|
|
let b: Box<[i32]> = Box::new([1, 2, 3]);
|
|
let p = a as *const [i32];
|
|
let q = a.as_ptr();
|
|
|
|
a as usize; //~ ERROR casting
|
|
a as isize; //~ ERROR casting
|
|
a as i16; //~ ERROR casting `&[i32]` as `i16` is invalid
|
|
a as u32; //~ ERROR casting `&[i32]` as `u32` is invalid
|
|
b as usize; //~ ERROR non-primitive cast
|
|
p as usize;
|
|
//~^ ERROR casting
|
|
|
|
// #22955
|
|
q as *const [i32]; //~ ERROR cannot cast
|
|
|
|
// #21397
|
|
let t: *mut (Trait + 'static) = 0 as *mut _; //~ ERROR casting
|
|
let mut fail: *const str = 0 as *const str; //~ ERROR casting
|
|
}
|