rust/src/test/run-pass/regions-borrow-estr-uniq.rs

fn foo(x: str/&) -> u8 {
    x[0]
}

fn main() {
    let p = "hello"/~;
    let r = foo(p);
    assert r == 'h' as u8;

    let p = "hello";
    let r = foo(p);
    assert r == 'h' as u8;
}