This map can be used if you have to provide a map only for its type definitions, or if you have to provide a writable map, but data written to it is not required (i.e. it will be sent to /dev/null
). It conforms to the ReadWriteMap concept.
#include <lemon/maps.h>
Public Types | |
typedef K | Key |
| |
typedef V | Value |
| |
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typedef K | Key |
The key type of the map. | |
typedef V | Value |
The value type of the map. (The type of objects associated with the keys). | |
Public Member Functions | |
Value | operator[] (const Key &) const |
Gives back a default constructed element. | |
void | set (const Key &, const Value &) |
Absorbs the value. | |
Related Functions | |
(Note that these are not member functions.) | |
template<typename K , typename V > | |
NullMap< K, V > | nullMap () |
Returns a NullMap class. | |