#include <lemon/concepts/matrix_maps.h>
| Public Types | |
| typedef K1 | FirstKey | 
| Map's first key type. | |
| typedef K2 | SecondKey | 
| Map's second key type. | |
| typedef V | Value | 
| Map's value type. (The type of objects associated with the pairs of keys). | |
| Public Member Functions | |
| Value | operator() (const FirstKey &, const SecondKey &) const | 
| Returns the value associated with a key. | |
 1.5.9
 1.5.9