ComposeMap< M1, M2 > Class Template Reference
[Map Adaptors]

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Detailed Description

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

This read only map returns the composition of two given maps. That is to say, if m1 is of type M1 and m2 is of M2, then for

       ComposeMap<M1, M2> cm(m1,m2);

cm[x] will be equal to m1[m2[x]].

Its Key is inherited from M2 and its Value is from M1. M2::Value must be convertible to M1::Key.

See also:

CombineMap

Todo:

Check the requirements.

#include <lemon/maps.h>

Inheritance diagram for ComposeMap< M1, M2 >:

[legend]

List of all members.

Public Member Functions
	ComposeMap (const M1 &_m1, const M2 &_m2)
	Constructor.
MapTraits< M1 >::ConstReturnValue	operator[] (Key k) const
Related Functions
(Note that these are not member functions.)
template<typename M1 , typename M2 >
ComposeMap< M1, M2 >	composeMap (const M1 &m1, const M2 &m2)
	Returns a ComposeMap class.