30 lines
585 B
Rust
30 lines
585 B
Rust
// This assumes the packed and non-packed structs are different sizes.
|
|
|
|
// the error points to the start of the file, not the line with the
|
|
// transmute
|
|
|
|
//@ normalize-stderr-test: "\d+ bits" -> "N bits"
|
|
//@ error-pattern: cannot transmute between types of different sizes, or dependently-sized types
|
|
|
|
use std::mem;
|
|
|
|
#[repr(packed)]
|
|
struct Foo {
|
|
bar: u8,
|
|
baz: usize
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
struct Oof {
|
|
rab: u8,
|
|
zab: usize
|
|
}
|
|
|
|
fn main() {
|
|
let foo = Foo { bar: 1, baz: 10 };
|
|
unsafe {
|
|
let oof: Oof = mem::transmute(foo);
|
|
println!("{:?}", oof);
|
|
}
|
|
}
|