fn build_and_hash_layer()

in akd/src/client.rs [334:346]

• 13 lines of code
• 1 McCabe index (conditional complexity)

fn build_and_hash_layer<H: Hasher>(
    hashes: Vec<H::Digest>,
    dir: Direction,
    ancestor_hash: H::Digest,
    parent_label: NodeLabel,
) -> Result<H::Digest, AkdError> {
    let direction = dir.ok_or({
        AkdError::HistoryTreeNode(HistoryTreeNodeError::NoDirection(parent_label, None))
    })?;
    let mut hashes_mut = hashes.to_vec();
    hashes_mut.insert(direction, ancestor_hash);
    Ok(hash_layer::<H>(hashes_mut, parent_label))
}