rust/tests/ui/mut-function-arguments.rs
2023-01-11 09:32:08 +00:00

20 lines
259 B
Rust

// run-pass
fn f(mut y: Box<isize>) {
*y = 5;
assert_eq!(*y, 5);
}
fn g() {
let frob = |mut q: Box<isize>| { *q = 2; assert_eq!(*q, 2); };
let w = Box::new(37);
frob(w);
}
pub fn main() {
let z = Box::new(17);
f(z);
g();
}