#![allow(unused_variables)]
#![feature(str_from_utf16_endian)]
fn main() {
    let v = &[
        0xD8, 0x34, 0xDD, 0x1E, 0x00, 0x6d, 0x00, 0x75, 0x00, 0x73, 0x00, 0x69, 0x00,
        0x63,
    ];
    assert_eq!(String::from("𝄞music"), String::from_utf16be(v).unwrap());
    let v = &[
        0xD8, 0x34, 0xDD, 0x1E, 0x00, 0x6d, 0x00, 0x75, 0xD8, 0x00, 0x00, 0x69, 0x00,
        0x63,
    ];
    assert!(String::from_utf16be(v).is_err());
}