This read-only map gives back the given key as value without any modification.
#include <lemon/maps.h>
 Inheritance diagram for IdentityMap< T >:
 Inheritance diagram for IdentityMap< T >:| Public Types | |
| typedef T | Key | 
|  | |
| typedef T | Value | 
|  | |
|  Public Types inherited from MapBase< T, T > | |
| typedef T | Key | 
| The key type of the map. | |
| typedef T | Value | 
| The value type of the map. (The type of objects associated with the keys). | |
| Public Member Functions | |
| Value | operator[] (const Key &k) const | 
| Gives back the given value without any modification. | |
| Related Functions | |
| (Note that these are not member functions.) | |
| template<typename T > | |
| IdentityMap< T > | identityMap () | 
| Returns an IdentityMapclass.  More... | |
 1.8.5
 1.8.5