Lemonade Change LeetCode solution in Rust

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impl Solution {
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  pub fn lemonade_change(bills: Vec<i32>) -> bool {
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    bills
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      .into_iter()
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      .try_fold([0, 0], |[a, b], x| match x {
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        5 => Some([a + 1, b]),
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        10 if a > 0 => Some([a - 1, b + 1]),
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        20 if a > 0 && b > 0 => Some([a - 1, b - 1]),
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        20 if a > 2 && b == 0 => Some([a - 3, b]),
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        _ => None,
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      })
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      .is_some()
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  }
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}