vortex_array/
accessor.rs

1use vortex_error::VortexResult;
2
3/// Trait for arrays that support iterative access to their elements.
4pub trait ArrayAccessor<Item: ?Sized> {
5    /// Iterate over each element of the array, in-order.
6    ///
7    /// The function `f` will be passed an [`Iterator`], it can call [`next`][Iterator::next] on the
8    /// iterator [`len`][crate::Array::len] times. Iterator elements are `Option` types,
9    /// regardless of the nullability of the underlying array data.
10    fn with_iterator<F, R>(&self, f: F) -> VortexResult<R>
11    where
12        F: for<'a> FnOnce(&mut dyn Iterator<Item = Option<&'a Item>>) -> R;
13}