pub(crate) fn is_empty(&self) -> bool {
        self.vertices_awaiting_deps.is_empty()
            && self.vertices_no_deps.is_empty()
            && self.vertices_to_be_added_later.is_empty()
    }
/// Returns `true` if no vertices are in the queues.
Returns `true` if no vertices are in the queues.
Returns ` true ` if no vertices are in the queues .
pub(crate) fn is_empty(&self) -> bool {
        self.vertices_awaiting_deps.is_empty()
            && self.vertices_no_deps.is_empty()
            && self.vertices_to_be_added_later.is_empty()
    }
pub ( crate ) fn is_empty ( & self ) -> bool { self . vertices_awaiting_deps . is_empty ( ) && self . vertices_no_deps . is_empty ( ) && self . vertices_to_be_added_later . is_empty ( ) }
Returns `true` if no vertices are in the queues.
Returns ` true ` if no vertices are in the queues .
&self
&self