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fn main() {
// Assert `Iterator` methods are unstable
assert!([1, 2, 2, 9].iter().is_sorted());
//~^ ERROR: use of unstable library feature 'is_sorted': new API
assert!(![-2i32, -1, 0, 3].iter().is_sorted_by_key(|n| n.abs()));
//~^ ERROR: use of unstable library feature 'is_sorted': new API
// Assert `[T]` methods are unstable
assert!([1, 2, 2, 9].is_sorted());
//~^ ERROR: use of unstable library feature 'is_sorted': new API
assert!(![-2i32, -1, 0, 3].is_sorted_by_key(|n| n.abs()));
//~^ ERROR: use of unstable library feature 'is_sorted': new API
}
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