petgraph::data

Trait DataMap

Source
pub trait DataMap: Data {
    // Required methods
    fn node_weight(&self, id: Self::NodeId) -> Option<&Self::NodeWeight>;
    fn edge_weight(&self, id: Self::EdgeId) -> Option<&Self::EdgeWeight>;
}
Expand description

Access node and edge weights (associated data).

Required Methods§

Source

fn node_weight(&self, id: Self::NodeId) -> Option<&Self::NodeWeight>

Source

fn edge_weight(&self, id: Self::EdgeId) -> Option<&Self::EdgeWeight>

Implementations on Foreign Types§

Source§

impl<'a, G> DataMap for &'a G
where G: DataMap,

Source§

fn node_weight(&self, id: Self::NodeId) -> Option<&Self::NodeWeight>

Source§

fn edge_weight(&self, id: Self::EdgeId) -> Option<&Self::EdgeWeight>

Source§

impl<'a, G> DataMap for &'a mut G
where G: DataMap,

Source§

fn node_weight(&self, id: Self::NodeId) -> Option<&Self::NodeWeight>

Source§

fn edge_weight(&self, id: Self::EdgeId) -> Option<&Self::EdgeWeight>

Implementors§

Source§

impl<'a, G> DataMap for Frozen<'a, G>
where G: DataMap,

Source§

impl<E, Ix: IndexType> DataMap for List<E, Ix>

Source§

impl<G> DataMap for Reversed<G>
where G: DataMap,

Source§

impl<G, F> DataMap for NodeFiltered<G, F>
where G: DataMap, F: FilterNode<G::NodeId>,

Source§

impl<N, E, Ty, Ix> DataMap for Graph<N, E, Ty, Ix>
where Ty: EdgeType, Ix: IndexType,

Source§

impl<N, E, Ty, Ix> DataMap for StableGraph<N, E, Ty, Ix>
where Ty: EdgeType, Ix: IndexType,