src/test/run-pass/binding/irrefutable-slice-patterns.rs

// run-pass
// #47096

#![feature(slice_patterns)]

fn foo(s: &[i32]) -> &[i32] {
    let &[ref xs..] = s;
    xs
}

fn main() {
    let x = [1, 2, 3];
    let y = foo(&x);
    assert_eq!(x, y);
}