comparison rust/hg-cpython/src/cindex.rs @ 48853:4346be456875

rust: implement vcsgraph::RankedGraph for Index

Differential Revision: https://phab.mercurial-scm.org/D12210

48852:e633e660158f

            ),
        }
    }
}

impl RevlogIndex for Index {
    /// Note C return type is Py_ssize_t (hence signed), but we shall
    /// force it to unsigned, because it's a length
    fn len(&self) -> usize {
        unsafe { (self.capi.index_length)(self.index.as_ptr()) as usize }

48853:4346be456875

            ),
        }
    }
}

impl vcsgraph::graph::RankedGraph for Index {
    fn rank(
        &self,
        rev: Revision,
    ) -> Result<vcsgraph::graph::Rank, vcsgraph::graph::GraphReadError> {
        match unsafe {
            (self.capi.fast_rank)(self.index.as_ptr(), rev as ssize_t)
        } {
            -1 => Err(vcsgraph::graph::GraphReadError::InconsistentGraphData),
            rank => Ok(rank as usize),
        }
    }
}

impl RevlogIndex for Index {
    /// Note C return type is Py_ssize_t (hence signed), but we shall
    /// force it to unsigned, because it's a length
    fn len(&self) -> usize {
        unsafe { (self.capi.index_length)(self.index.as_ptr()) as usize }