ForwardMap provides access for the "forward" directed arc view of each edge in a graph, which is returned by the direct() function of the graph with true parameter. 
| GR | The graph type. | 
#include <lemon/maps.h>
| Public Types | |
| typedef GR::Edge | Key | 
| The key type (the Edgetype of the digraph). | |
| typedef GR::Arc | Value | 
| The value type (the Arctype of the digraph). | |
| Public Member Functions | |
| ForwardMap (const GR &graph) | |
| Constructor.  More... | |
| Value | operator[] (const Key &key) const | 
| Returns the "forward" directed arc view of the given edge.  More... | |
| Related Functions | |
| (Note that these are not member functions.) | |
| template<typename GR > | |
| ForwardMap< GR > | forwardMap (const GR &graph) | 
| Returns a ForwardMapclass.  More... | |
| 
 | inlineexplicit | 
Constructor.
| graph | The graph that the map belongs to. | 
 1.8.5
 1.8.5