Function pair_with_slice

utils/src/iter.rs:23–33

Maps supplied iterator and attempts to pair each item with an item from the slice which has provided index. Returns `Err` containing an invalid index in case slice length is exceeded.

(
    iter: I,
    pair_with: &'pairs [P],
)

/// Maps supplied iterator and attempts to pair each item with an item from the slice which has provided index.
/// Returns `Err` containing an invalid index in case slice length is exceeded.
pub fn pair_with_slice<'iter, 'pairs, I, Item, P>(
    iter: I,
    pair_with: &'pairs [P],
) -> impl Iterator<Item = Result<(&'pairs P, Item), IndexIsOutOfBounds>> + 'iter
where
    'pairs: 'iter,
    I: IntoIterator<Item = (usize, Item)> + 'iter,
    Item: 'iter,
{
    try_pair_with_slice(iter.into_iter().map(Ok), pair_with)
}

/// Ensures that the given iterator satisfies provided validator for each item.
/// In case of an error, `Err(V::Failure)` will be emitted.