#include <lemon/concepts/matrix_maps.h>

| Public Types | |
| typedef True | ReferenceMapTag | 
| Tag for reference maps. | |
| typedef K1 | FirstKey | 
| Map's first key type. | |
| typedef K1 | SecondKey | 
| Map's second key type. | |
| typedef V | Value | 
| Map's value type. (The type of objects associated with the keys). | |
| typedef R | Reference | 
| Map's reference type. | |
| typedef CR | ConstReference | 
| Map's const reference type. | |
| Public Member Functions | |
| Reference | operator() (const FirstKey &, const SecondKey &) | 
| Returns a reference to the value associated to a pair of keys. | |
| ConstReference | operator() (const FirstKey &, const SecondKey &) const | 
| Returns a const reference to the value associated to a pair of keys. | |
| void | set (const FirstKey &, const SecondKey &, const Value &) | 
| Sets the value associated with the pair of keys. | |
 1.5.9
 1.5.9