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NegWriteMap< M > Class Template Reference

Detailed Description

template<typename M>
class lemon::NegWriteMap< M >

This read-write map returns the negative of the values of the given map (using the unary - operator). Its Key and Value are inherited from M. It makes also possible to write the map.

If M::Value is int, double etc., then

* NegWriteMap<M> neg(m);
*

is equivalent to

* ScaleWriteMap<M> neg(m,-1);
*

The simplest way of using this map is through the negWriteMap() function.

See Also
NegMap

#include <lemon/maps.h>

+ Inheritance diagram for NegWriteMap< M >:

Public Types

typedef M::Key Key
 
 
typedef M::Value Value
 
 
- Public Types inherited from MapBase< M::Key, M::Value >
typedef M::Key Key
 The key type of the map.
 
typedef M::Value Value
 The value type of the map. (The type of objects associated with the keys).
 

Public Member Functions

 NegWriteMap (M &m)
 Constructor.
 
Value operator[] (const Key &k) const
 
 
void set (const Key &k, const Value &v)
 
 

Related Functions

(Note that these are not member functions.)

template<typename M >
NegWriteMap< M > negWriteMap (M &m)
 Returns a NegWriteMap class. More...