rust/tests/ui/box/into-boxed-slice.rs
2023-01-11 09:32:08 +00:00

12 lines
428 B
Rust

// run-pass
#![feature(box_into_boxed_slice)]
use std::boxed::Box;
fn main() {
assert_eq!(Box::into_boxed_slice(Box::new(5u8)), Box::new([5u8]) as Box<[u8]>);
assert_eq!(Box::into_boxed_slice(Box::new([25u8])), Box::new([[25u8]]) as Box<[[u8; 1]]>);
let a: Box<[Box<[u8; 1]>]> = Box::into_boxed_slice(Box::new(Box::new([5u8])));
let b: Box<[Box<[u8; 1]>]> = Box::new([Box::new([5u8])]);
assert_eq!(a, b);
}