petgraph::algo

Function has_path_connecting

Source 
pub fn has_path_connecting<G>(
    g: G,
    from: G::NodeId,
    to: G::NodeId,
    space: Option<&mut DfsSpace<G::NodeId, G::Map>>,
) -> bool
where
    G: IntoNeighbors + Visitable,
Expand description

[Generic] Check if there exists a path starting at from and reaching to.

If from and to are equal, this function returns true.

If space is not None, it is used instead of creating a new workspace for graph traversal.