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MonoidBase Struct Template Reference
[Monoid]

MonoidBase is the base class of all structures that are monoids. More...

Inheritance diagram for MonoidBase:

Inheritance graph
[legend]
List of all members.

Public Types

typedef Self self_t
 Exact type of the most derivated type in the hierarchy.


Public Member Functions

template<typename T> Element< Self, T > identity (SELECTOR(T)) const
 returns the identity of the monoid (if mul_kind).

template<typename T> Element< Self, T > zero (SELECTOR(T)) const
 returns the zero of the monoid (if add_kind).

bool contains (const Element< Self, T > &elt) const
 Check if a given element is compatible with the structural element.

bool contains (const Element< OtherS, T > &other) const
 Specialization of containts that always return false.

bool contains (const T &elt_value) const
 Check if an anonymous value is compatible with a structural element.

Element< Self, T > choose (SELECTOR(T)) const
 Choose randomly an element in the structure.

self_tself ()
 Accessor to the real type.


Protected Member Functions

 MonoidBase ()
 Default constructor is protected since it is an abstract class.

 MonoidBase (const MonoidBase &other)
 Copy constructor is protected since it is an abstract class.


Detailed Description

template<class Self>
struct vcsn::algebra::MonoidBase< Self >

MonoidBase is the base class of all structures that are monoids.

Monoid defines identity for semigroups of mul_kind and zero for semigroup of add_kind.


Member Function Documentation

bool contains const Element< OtherS, T > &  other  )  const [inherited]
 

Specialization of containts that always return false.

Indeed, elements structured by a particular type are always incompatible with structural elements of another type.

self_t& self  )  [inherited]
 

Accessor to the real type.

This accessor is intended to be used by implementations in this class and derivated structures to obtain a reference to the structural element with its most derivated type.


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