bdc182cc41
fail!() used to require owned strings but can handle static strings now. Also, it can pass its arguments to fmt!() on its own, no need for the caller to call fmt!() itself.
14 lines
274 B
Rust
14 lines
274 B
Rust
fn a() -> &int {
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let vec = [1, 2, 3, 4];
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let tail = match vec {
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[_a, ..tail] => &tail[0], //~ ERROR borrowed value does not live long enough
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_ => fail!("foo")
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};
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tail
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}
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fn main() {
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let fifth = a();
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io::println(fmt!("%d", *fifth));
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}
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