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use crate::{
    bitmap::utils::{zip_validity, ZipValidity},
    types::NativeType,
};

use super::PrimitiveArray;

impl<'a, T: NativeType> IntoIterator for &'a PrimitiveArray<T> {
    type Item = Option<&'a T>;
    type IntoIter = ZipValidity<'a, &'a T, std::slice::Iter<'a, T>>;

    #[inline]
    fn into_iter(self) -> Self::IntoIter {
        self.iter()
    }
}

impl<'a, T: NativeType> PrimitiveArray<T> {
    /// constructs a new iterator
    #[inline]
    pub fn iter(&'a self) -> ZipValidity<'a, &'a T, std::slice::Iter<'a, T>> {
        zip_validity(self.values().iter(), &self.validity)
    }
}