Method fold

atomic-repository/src/manifest.rs:108–112

Fold a change sequence into its merkle state. This mirrors `put_change`: `state_n = state_{n-1}.next(hash_n)`, seeded at [`Merkle::ZERO`].

(changes: &[Hash])

    /// This mirrors `put_change`: `state_n = state_{n-1}.next(hash_n)`,
    /// seeded at [`Merkle::ZERO`].
    pub fn fold(changes: &[Hash]) -> Merkle {
        changes
            .iter()
            .fold(Merkle::ZERO, |state, hash| state.next(hash))
    }

    /// Build a manifest from parts, computing the state from the log.
    pub fn new(