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//! # Graaf
//!
//! Rust-powered directed graphs.
//!
//! # Table of Contents
//!
//! - [Representations](#representations)
//! - [Generators](#generators)
//! - [Operations](#operations)
//! - [Algorithms](#algorithms)
//! - [Bellman-Ford-Moore](#bellman-ford-moore)
//! - [Breadth-First Search](#breadth-first-search)
//! - [Depth-First Search](#depth-first-search)
//! - [Dijkstra](#dijkstra)
//! - [Distance Matrix](#distance-matrix)
//! - [Floyd-Warshall](#floyd-warshall)
//! - [Johnson's Circuit-Finding
//! Algorithm](#johnsons-circuit-finding-algorithm)
//! - [Predecessor Tree](#predecessor-tree)
//! - [Tarjan](#tarjan)
//!
//! # Representations
//!
//! ## Arc-Weighted Sparse Digraphs
//!
//! - [`AdjacencyListWeighted`] represents a digraph as a vector of maps.
//!
//! ## Unweighted Dense Digraphs
//!
//! - [`AdjacencyMatrix`] represents a digraph as a matrix using a bit vector.
//!
//! ## Unweighted Sparse Digraphs
//!
//! - [`AdjacencyList`] represents a digraph as a vector of sets.
//! - [`AdjacencyMap`] represents a digraph as a map of sets.
//! - [`EdgeList`] represents a digraph as a vector of tuples.
//!
//! # Generators
//!
//! - [`Biclique`] generates a complete bipartite digraph.
//! - [`Circuit`] generates a circuit digraph.
//! - [`Complete`] generates a complete digraph.
//! - [`Cycle`] generates a bidirectional circuit.
//! - [`Empty`] generates a digraph without arcs.
//! - [`ErdosRenyi`] generates a random digraph.
//! - [`RandomRecursiveTree`] generates a random recursive tree.
//! - [`Path`] generates a path digraph.
//! - [`RandomTournament`] generates a random tournament.
//! - [`Star`] generates a star digraph.
//! - [`Wheel`] generates a wheel digraph.
//!
//! # Operations
//!
//! - [`AddArcWeighted`] adds an arc to an arc-weighted digraph.
//! - [`AddArc`] adds an arc to an unweighted digraph.
//! - [`ArcWeight`] returns an arc's weight.
//! - [`ArcsWeighted`] iterates a digraph's weighted arcs.
//! - [`Arcs`] iterates a digraph's arcs.
//! - [`Complement`] returns a digraph's complement.
//! - [`ContiguousOrder`] returns a contiguous digraph's order.
//! - [`Converse`] returns a digraph's converse.
//! - [`DegreeSequence`] iterates a digraph's degrees.
//! - [`Degree`] returns a vertex's degree.
//! - [`FilterVertices`] filters a digraph's vertices.
//! - [`HasArc`] checks whether a digraph contains an arc.
//! - [`HasEdge`] checks whether a digraph contains an edge.
//! - [`HasWalk`] checks whether a digraph contains a walk.
//! - [`InNeighbors`] iterates a vertex's in-neighbors.
//! - [`IndegreeSequence`] iterates a digraph's indegrees.
//! - [`Indegree`] returns a vertex's indegree.
//! - [`IsBalanced`] checks whether a digraph is balanced.
//! - [`IsComplete`] checks whether a digraph is complete.
//! - [`IsIsolated`] checks whether a vertex is isolated.
//! - [`IsOriented`] checks whether a digraph is oriented.
//! - [`IsPendant`] checks whether a vertex is a pendant.
//! - [`IsRegular`] checks whether a digraph is regular.
//! - [`IsSemicomplete`] checks whether a digraph is semicomplete.
//! - [`IsSimple`] checks whether a digraph is simple.
//! - [`IsSpanningSubdigraph`] checks whether a digraph spans a superdigraph.
//! - [`IsSubdigraph`] checks whether a digraph is a subdigraph.
//! - [`IsSuperdigraph`] checks whether a digraph is a superdigraph.
//! - [`IsSymmetric`] checks whether a digraph is symmetric.
//! - [`IsTournament`] checks whether a digraph is a tournament.
//! - [`Order`] counts the vertices in a digraph.
//! - [`OutNeighborsWeighted`] iterates a vertex's weighted out-neighbors.
//! - [`OutNeighbors`] iterates a vertex's out-neighbors.
//! - [`OutdegreeSequence`] iterates a digraph's outdegrees.
//! - [`Outdegree`] returns a vertex's outdegree.
//! - [`RemoveArc`] removes an arc from a digraph.
//! - [`SemidegreeSequence`] iterates a digraph's semidegrees.
//! - [`Sinks`] iterates a digraph's sinks.
//! - [`Size`] counts the arcs in a digraph.
//! - [`Sources`] iterates a digraph's sources.
//! - [`Union`] returns the union of two digraphs.
//! - [`Vertices`] iterates a digraph's vertices.
//!
//! # Algorithms
//!
//! ## Bellman-Ford-Moore
//!
//! - [`BellmanFordMoore::distances`] finds the shortest distances from a
//! source vertex to all other vertices in an arc-weighted digraph with
//! negative weights.
//!
//! ## Breadth-First Search
//!
//! A breadth-first search explores an unweighted digraph's vertices in order
//! of their distance from a source.
//!
//! - [`Bfs`] iterates the vertices.
//! - [`BfsDist`] iterates the vertices and their distance from the source.
//! - [`BfsPred`] iterates the vertices and their predecessors.
//! - [`BfsDist::distances`](BfsDist::distances) finds the shortest distances.
//! - [`BfsPred::cycles`](BfsPred::cycles) returns the cycles along the
//! shortest path.
//! - [`BfsPred::predecessors`](BfsPred::predecessors) finds the predecessors.
//! - [`BfsPred::shortest_path`](BfsPred::shortest_path) finds the shortest
//! path.
//!
//! ## Depth-First Search
//!
//! A depth-first search explores an unweighted digraph's vertices in order of
//! their distance from a source.
//!
//! - [`Dfs`] iterates the vertices.
//! - [`DfsDist`] iterates the vertices and their distance from the source.
//! - [`DfsPred`] iterates the vertices and their predecessors.
//! - [`DfsPred::predecessors`](DfsPred::predecessors) finds the predecessors.
//!
//! ## Dijkstra
//!
//! Dijkstra's algorithm finds the shortest paths from one or more source
//! vertices in an arc-weighted digraph.
//!
//! - [`Dijkstra`] iterates the vertices.
//! - [`DijkstraDist`] iterates the vertices and their distance from the
//! source.
//! - [`DijkstraPred`] iterates the vertices and their predecessors.
//! - [`DijkstraDist::distances`](DijkstraDist::distances) finds the shortest
//! distances.
//! - [`DijkstraPred::predecessors`](DijkstraPred::predecessors) finds the
//! predecessors.
//! - [`DijkstraPred::shortest_path`](DijkstraPred::shortest_path) finds the
//! shortest path.
//!
//! ## Distance Matrix
//!
//! A [`DistanceMatrix`] contains the shortest distances between all vertex
//! pairs in a digraph.
//!
//! - [`DistanceMatrix::center`](DistanceMatrix::center) finds the digraph's
//! center.
//! - [`DistanceMatrix::diameter`](DistanceMatrix::diameter) finds the
//! digraph's diameter.
//! - [`DistanceMatrix::eccentricities`](DistanceMatrix::eccentricities) finds
//! the vertices' eccentricities.
//! - [`DistanceMatrix::is_connected`](DistanceMatrix::is_connected) checks the
//! digraph's connectedness.
//! - [`DistanceMatrix::periphery`](DistanceMatrix::periphery) finds the
//! digraph's periphery.
//!
//! ## Floyd-Warshall
//!
//! - [`FloydWarshall::distances`] finds the distance between each vertex pair
//! in an arc-weighted digraph.
//!
//! ## Johnson's Circuit-Finding Algorithm
//!
//! - [`Johnson75::circuits`] finds a digraph's circuits.
//!
//! ## Predecessor Tree
//!
//! A [`PredecessorTree`] is the result of a search and contains the vertices'
//! predecessors.
//!
//! - [`PredecessorTree::search`] finds a vertex by value.
//! - [`PredecessorTree::search_by`] finds a vertex by predicate.
//!
//! ## Tarjan
//!
//! - [`Tarjan::components`] finds strongly connected components in a digraph.
pub use ;
pub use ;
pub use r#;
pub use ;