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// run-pass
#![feature(slice_patterns)]
fn main() {
assert_eq!(count_members(&[1, 2, 3, 4]), 4);
}
fn count_members(v: &[usize]) -> usize {
match *v {
[] => 0,
[_] => 1,
[_, ref xs @ ..] => 1 + count_members(xs)
}
}
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