Method index_to_hash

atomic-core/src/change/format_v3/compact/compactor.rs:267–273

Convert a `HashIndex` to an `Option `. - `HASH_INDEX_NONE` → `None` - Valid index → `Some(Hash)`

(&self, index: HashIndex)

    /// - `HASH_INDEX_NONE` → `None`
    /// - Valid index → `Some(Hash)`
    pub(super) fn index_to_hash(&self, index: HashIndex) -> FormatResult<Option<Hash>> {
        if index == HASH_INDEX_NONE {
            return Ok(None);
        }
        let bytes = self.table.resolve_required(index)?;
        Ok(Some(Hash::from_bytes(*bytes)))
    }
}