File: main.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, sid, trixie
  • size: 893,396 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (29 lines) | stat: -rw-r--r-- 810 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
//@ normalize-stderr-32bit: "`&str` \(64 bits\)" -> "`&str` ($$STR bits)"
//@ normalize-stderr-64bit: "`&str` \(128 bits\)" -> "`&str` ($$STR bits)"

use std::mem::transmute;

pub trait TypeConstructor<'a> {
    type T;
}

unsafe fn transmute_lifetime<'a, 'b, C>(x: <C as TypeConstructor<'a>>::T)
                                        -> <C as TypeConstructor<'b>>::T
where for<'z> C: TypeConstructor<'z> {
    transmute(x)
}

unsafe fn sizes() {
    let x: u8 = transmute(10u16); //~ ERROR cannot transmute between types of different sizes
}

unsafe fn ptrs() {
    let x: u8 = transmute("test"); //~ ERROR cannot transmute between types of different sizes
}

union Foo { x: () }
unsafe fn vary() {
    let x: Foo = transmute(10); //~ ERROR cannot transmute between types of different sizes
}

fn main() {}