Function tvix_castore::nodes::directory::check_insert_node

source · 
fn check_insert_node(
    current_size: u64,
    nodes: &mut BTreeMap<PathComponent, Node>,
    name: PathComponent,
    node: Node,
) -> Result<u64, DirectoryError>
Expand description

Helper function dealing with inserting nodes into the nodes BTreeMap, after ensuring the new size doesn’t overlow and the key doesn’t exist already.

Returns the new total size, or an error.