trait WithDummy: NodeIndexable {
// Required methods
fn dummy_idx(&self) -> usize;
fn try_from_index(&self, i: usize) -> Option<Self::NodeId>;
}Required Methods§
fn dummy_idx(&self) -> usize
Sourcefn try_from_index(&self, i: usize) -> Option<Self::NodeId>
fn try_from_index(&self, i: usize) -> Option<Self::NodeId>
Convert i to a node index, returns None for the dummy node