Method get_contents

atomic-repository/src/changestore/trait_impl.rs:23–51

(
        &self,
        hash_fn: F,
        span: GraphNode<NodeId>,
        buf: &mut [u8],
    )

    }

    fn get_contents<F>(
        &self,
        hash_fn: F,
        span: GraphNode<NodeId>,
        buf: &mut [u8],
    ) -> Result<usize, Self::Error>
    where
        F: Fn(NodeId) -> Option<Hash>,
    {
        // Handle ROOT span
        if span == GraphNode::ROOT {
            return Ok(0);
        }

        // Get the hash for this span's change
        let hash = match hash_fn(span.change) {
            Some(h) => h,
            None => {
                return Err(ChangeStoreError::NotFound {
                    hash: format!("NodeId({:?})", span.change),
                });
            }
        };

        let start = span.start.get() as usize;
        let end = span.end.get() as usize;

        self.copy_content_span(&hash, start, end, buf)
    }

    fn get_contents_ext(
        &self,