pub trait RichTreeGraph: TreeGraph {
// Required methods
fn children(&self, node_index: Self::NodeIndex) -> Vec<Self::NodeIndex>;
fn referrers(&self, node_index: Self::NodeIndex) -> Vec<Self::NodeIndex>;
}
pub trait RichTreeGraph: TreeGraph {
// Required methods
fn children(&self, node_index: Self::NodeIndex) -> Vec<Self::NodeIndex>;
fn referrers(&self, node_index: Self::NodeIndex) -> Vec<Self::NodeIndex>;
}