functional-programming

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fn func(x: f64) -> Option<f64> {
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    if x > 2.5 {
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        Some(x + 100.0)
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    } else {
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        None
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    }
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}
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fn main() {
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    let vec = vec![6.0, 5.0, 4.0, 3.0, 2.0, 1.0];
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    let min_odd = vec
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        .iter()
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        .filter_map(|x| func(*x))
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        .min_by(|x, y| x.partial_cmp(&y).unwrap_or(std::cmp::Ordering::Equal));
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    println!("{min_odd:?}");
1 collapsed line
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}