19 lines
470 B
Rust
19 lines
470 B
Rust
|
// xfail-fast (compile-flags unsupported on windows)
|
||
|
|
// compile-flags:--borrowck=err
|
||
|
|
// exec-env:RUST_POISON_ON_FREE=1
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
let mut x = @mut @{f: ~3};
|
||
|
|
alt x {
|
||
|
|
@@{f: b_x} {
|
||
|
|
assert *b_x == 3;
|
||
|
|
assert ptr::addr_of(x.f) == ptr::addr_of(b_x);
|
||
|
|
|
||
|
|
*x = @{f: ~4};
|
||
|
|
|
||
|
|
#debug["ptr::addr_of(*b_x) = %x", ptr::addr_of(*b_x) as uint];
|
||
|
|
assert *b_x == 3;
|
||
|
|
assert ptr::addr_of(*x.f) != ptr::addr_of(*b_x);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|