BackwardMap< GR > Class Template Reference

Detailed Description

template<typename GR>
class lemon::BackwardMap< GR >

BackwardMap provides access for the "backward" directed arc view of each edge in a graph, which is returned by the direct() function of the graph with false parameter.

Template Parameters

GR	The graph type.

See Also

ForwardMap

#include <lemon/maps.h>

Public Types
typedef GR::Edge	Key
	The key type (the Edge type of the digraph).
typedef GR::Arc	Value
	The value type (the Arc type of the digraph).

Public Member Functions
	BackwardMap (const GR &graph)
	Constructor.
Value	operator[] (const Key &key) const

Related Functions
(Note that these are not member functions.)
template<typename GR >
BackwardMap< GR >	backwardMap (const GR &graph)
	Returns a BackwardMap class.

Constructor & Destructor Documentation

BackwardMap ( const GR &  graph )

inlineexplicit

Constructor.

Parameters

graph

The graph that the map belongs to.

Member Function Documentation

Value operator[] ( const Key &  key ) const

inline

Returns the "backward" directed arc view of the given edge.