rust/hg-core/examples/nodemap/index.rs

50989:27e773aa607d

pub const INDEX_ENTRY_SIZE: usize = 64;

impl IndexEntry {
    fn parents(&self) -> [Revision; 2] {
        [Revision::from_be(self.p1), Revision::from_be(self.p1)]
    }
}

impl RevlogIndex for Index {
    fn len(&self) -> usize {

    fn node(&self, rev: Revision) -> Option<&Node> {
        if rev == NULL_REVISION {
            return None;
        }
        let i = rev as usize;
        if i >= self.len() {
            None
        } else {
            Some(&self.data[i].node)
        }
    }
}

impl Graph for &Index {
    fn parents(&self, rev: Revision) -> Result<[Revision; 2], GraphError> {
        let [p1, p2] = (*self).data[rev as usize].parents();
        let len = (*self).len();
        if p1 < NULL_REVISION
            || p2 < NULL_REVISION
            || p1 as usize >= len
            || p2 as usize >= len
        {
            return Err(GraphError::ParentOutOfRange(rev));
        }
        Ok([p1, p2])
    }

50990:4c5f6e95df84

pub const INDEX_ENTRY_SIZE: usize = 64;

impl IndexEntry {
    fn parents(&self) -> [Revision; 2] {
        [self.p1, self.p2]
    }
}

impl RevlogIndex for Index {
    fn len(&self) -> usize {

    fn node(&self, rev: Revision) -> Option<&Node> {
        if rev == NULL_REVISION {
            return None;
        }
        Some(&self.data[rev.0 as usize].node)
    }
}

impl Graph for &Index {
    fn parents(&self, rev: Revision) -> Result<[Revision; 2], GraphError> {
        let [p1, p2] = self.data[rev.0 as usize].parents();
        let len = (*self).len();
        if p1 < NULL_REVISION
            || p2 < NULL_REVISION
            || p1.0 as usize >= len
            || p2.0 as usize >= len
        {
            return Err(GraphError::ParentOutOfRange(rev));
        }
        Ok([p1, p2])
    }