InEdgeIt Class Reference

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Detailed Description

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

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

#include <lemon/concepts/ugraph.h>

Inheritance diagram for InEdgeIt:

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List of all members.

Public Member Functions
	InEdgeIt ()
	Default constructor.
	InEdgeIt (const InEdgeIt &e)
	InEdgeIt (Invalid)
	InEdgeIt (const UGraph &g, const Node &n)
	This constructor sets the iterator to first incoming edge.
	InEdgeIt (const UGraph &, const Edge &)
	Edge -> InEdgeIt conversion.
InEdgeIt &	operator++ ()
	Next incoming edge.

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Constructor & Destructor Documentation

InEdgeIt

(

)

[inline]

Warning:

The default constructor sets the iterator to an undefined value.

InEdgeIt

(

const InEdgeIt &

e

)

[inline]

Copy constructor.

InEdgeIt

(

Invalid

)

[inline]

Initialize the iterator to be invalid.

InEdgeIt	(	const UGraph &	g,
		const Node &	n
	)			[inline]

This constructor set the iterator to the first incoming edge of the node.

Parameters:

	n	the node
	g	the graph

InEdgeIt	(	const UGraph &	,
		const Edge &
	)			[inline]

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

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Member Function Documentation

InEdgeIt& operator++

(

)

[inline]

Assign the iterator to the next inedge of the corresponding node.