rust/tests/compile-fail/cast_box_int_to_fn_ptr.rs
2017-06-20 14:28:18 +02:00

9 lines
203 B
Rust

fn main() {
let b = Box::new(42);
let g = unsafe {
std::mem::transmute::<&usize, &fn(i32)>(&b)
};
(*g)(42) //~ ERROR a memory access tried to interpret some bytes as a pointer
}