Digraph::OutArcIt Class Reference

Detailed Description

This iterator goes trough the outgoing arcs of a certain node of a digraph. Its usage is quite simple, for example you can count the number of outgoing arcs of a node n in digraph g of type Digraph as follows.

int count=0;
for (Digraph::OutArcIt e(g, n); e!=INVALID; ++e) ++count;

#include <lemon/concepts/digraph.h>

Inheritance diagram for Digraph::OutArcIt:

Public Member Functions
	OutArcIt ()
	Default constructor.
	OutArcIt (const OutArcIt &e)
	OutArcIt (Invalid)
	OutArcIt (const Digraph &, const Node &)
	This constructor sets the iterator to the first outgoing arc.
	OutArcIt (const Digraph &, const Arc &)
	Arc -> OutArcIt conversion.
OutArcIt &	operator++ ()
	Next outgoing arc.
Public Member Functions inherited from Digraph::Arc
	Arc ()
	Default constructor.
	Arc (const Arc &)
	Arc (Invalid)
bool	operator== (Arc) const
	Equality operator.
bool	operator!= (Arc) const
	Inequality operator.
bool	operator< (Arc) const
	Artificial ordering operator.

Constructor & Destructor Documentation

OutArcIt ( )

inline

Warning

The default constructor sets the iterator to an undefined value.

OutArcIt ( const OutArcIt &  e )

inline

Copy constructor.

OutArcIt ( Invalid  )

inline

Initialize the iterator to be invalid.

OutArcIt ( const Digraph &  , const Node &    )

inline

This constructor sets the iterator to the first outgoing arc of the node.

OutArcIt ( const Digraph &  , const Arc &    )

inline

Sets the iterator to the value of the trivial iterator. This feature necessitates that each time we iterate the arc-set, the iteration order is the same.

Member Function Documentation

OutArcIt& operator++ ( )

inline

Assign the iterator to the next outgoing arc of the corresponding node.