rust/src/test/compile-fail/borrowck-vec-pattern-tail-element-loan.rs

14 lines
270 B
Rust

fn a() -> &int {
let vec = [1, 2, 3, 4];
let tail = match vec {
[_a, ..tail] => &tail[0], //~ ERROR borrowed value does not live long enough
_ => fail!("foo")
};
tail
}
fn main() {
let fifth = a();
println(fmt!("%d", *fifth));
}