CoCalc -- array.rs

GitHub Repository: pola-rs/polars
Path: blob/main/crates/polars-utils/src/array.rs
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pub fn try_map<T, U, const N: usize>(
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    array: [T; N],
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    f: impl FnMut(T) -> Option<U>,
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) -> Option<[U; N]> {
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    let mut array = array.map(f);
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    if array.iter().any(Option::is_none) {
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        return None;
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    }
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    Some(std::array::from_fn(|n| array[n].take().unwrap()))
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}
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