Singleton Class Template Reference
[Design patterns]

#include <ql/patterns/singleton.hpp>

List of all members.


Detailed Description

template<class T>
class QuantLib::Singleton< T >

Basic support for the singleton pattern.

The typical use of this class is:

        class Foo : public Singleton<Foo> {
            friend class Singleton<Foo>;
          private:
            Foo() {}
          public:
            ...
        };
which, albeit sub-optimal, frees one from the concerns of creating and managing the unique instance and can serve later as a single implemementation point should synchronization features be added.


Static Public Member Functions

static T & instance ()
 access to the unique instance