singleton.h File Reference

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Classes
struct	qx::singleton_traits< T >

Macros
#define	QX_SINGLETON_S(T, specifiers)
	Simple Meyer's singleton. More...
#define	QX_SINGLETON(T)   QX_SINGLETON_S(T, static)
	Simple Meyer's singleton. More...

Detailed Description

Author

Khrapov

Date

17.06.2019

Copyright

© Nick Khrapov, 2021. All right reserved.

Definition in file singleton.h.

Macro Definition Documentation

QX_SINGLETON

#define QX_SINGLETON

(

T

)

QX_SINGLETON_S(T, static)

Simple Meyer's singleton.

Implement singleton_traits for your type to change creation, getting and destruction behaviour

Parameters

T	- your class type

Definition at line 90 of file singleton.h.

QX_SINGLETON_S

#define QX_SINGLETON_S	(		T,
			specifiers
	)

Value:

private:                                                \
    friend struct qx::singleton_traits<T>;              \
                                                        \
    T()                                                 \
    {                                                   \
        qx::singleton_traits<T>::on_constructed(*this); \
    }                                                   \
    ~T()                                                \
    {                                                   \
        qx::singleton_traits<T>::on_destructed(*this);  \
    }                                                   \
    T(const T&)                  = delete;              \
    T(T&&)                       = delete;              \
    const T& operator=(const T&) = delete;              \
    const T& operator=(T&&)      = delete;              \
                                                        \
public:                                                 \
    static T& get_instance()                            \
    {                                                   \
        specifiers T instance;                          \
        qx::singleton_traits<T>::on_getter(instance);   \
        return instance;                                \
    }                                                   \
                                                        \
private:

Simple Meyer's singleton.

Implement singleton_traits for your type to change creation, getting and destruction behaviour

Parameters

T	- your class type
specifiers	- type specifiers, such as "static" or "thread_safe"

Definition at line 56 of file singleton.h.