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SubMap< M1, M2 > Class Template Reference

Detailed Description

template<typename M1, typename M2>
class lemon::SubMap< M1, M2 >

This read-only map returns the difference of the values of the two given maps. Its Key and Value types are inherited from M1. The Key and Value of M2 must be convertible to those of M1.

If m1 is of type M1 and m2 is of M2, then for

SubMap<M1,M2> sm(m1,m2);
Difference of two maps.
Definition maps.h:852

sm[x] will be equal to m1[x]-m2[x].

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

See also
AddMap, MulMap, DivMap

#include <lemon/maps.h>

+ Inheritance diagram for SubMap< M1, M2 >:

Public Types

typedef M1::Key Key
 
 
typedef M1::Value Value
 
 
- Public Types inherited from MapBase< M1::Key, M1::Value >
typedef M1::Key Key
 The key type of the map.
 
typedef M1::Value Value
 The value type of the map. (The type of objects associated with the keys).
 

Public Member Functions

 SubMap (const M1 &m1, const M2 &m2)
 Constructor.
 
Value operator[] (const Key &k) const
 
 

Related Symbols

(Note that these are not member symbols.)

template<typename M1 , typename M2 >
SubMap< M1, M2 > subMap (const M1 &m1, const M2 &m2)
 Returns a SubMap class.