13 lines
231 B
Rust
13 lines
231 B
Rust
//@ run-pass
|
|
use std::mem;
|
|
|
|
pub struct X([u8]);
|
|
|
|
fn _f(x: &X) -> usize { match *x { X(ref x) => { x.len() } } }
|
|
|
|
fn main() {
|
|
let b: &[u8] = &[11; 42];
|
|
let v: &X = unsafe { mem::transmute(b) };
|
|
assert_eq!(_f(v), 42);
|
|
}
|