minsky::Optional< T > Struct Template Reference

convenience class to omit writing XML records when data absent or empty More...

#include <optional.h>

Inheritance diagram for minsky::Optional< T >:

Collaboration diagram for minsky::Optional< T >:

Public Member Functions
	Optional ()
	Optional (const T &x)
template<class U >
	Optional (const Optional< U > &x)
template<class U >
classdesc::enable_if< has_empty< U >, void >::T	assign (const U &x, classdesc::dummy< 0 > d=0)
template<class U >
classdesc::enable_if< classdesc::Not< has_empty< U > >, void >::T	assign (const U &x, classdesc::dummy< 1 > d=0)
T &	operator* ()
const T &	operator* () const
T *	operator-> ()
const T *	operator-> () const
template<class U >
Optional &	operator= (const U &x)

Detailed Description

template<class T>
struct minsky::Optional< T >

convenience class to omit writing XML records when data absent or empty

Definition at line 39 of file optional.h.

Constructor & Destructor Documentation

Optional() [1/3]

template<class T>

minsky::Optional< T >::Optional ( )

inline

Definition at line 41 of file optional.h.

{}

Optional() [2/3]

template<class T>

minsky::Optional< T >::Optional ( const T &  x )

inline

Definition at line 42 of file optional.h.

{assign(x);}

Optional() [3/3]

template<class T>

template<class U >

minsky::Optional< T >::Optional ( const Optional< U > &  x )

inline

Definition at line 44 of file optional.h.

{if (x) *this=*x;}

Member Function Documentation

assign() [1/2]

template<class T>

template<class U >

classdesc::enable_if<has_empty<U>,void>::T minsky::Optional< T >::assign ( const U &  x, classdesc::dummy< 0 >  d = 0  )

inline

Definition at line 47 of file optional.h.

Referenced by minsky::Optional< minsky::ShowSlice >::operator=(), and minsky::Optional< minsky::ShowSlice >::Optional().

                                              {
      if (!x.empty()) this->reset(new T(x));
    }

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assign() [2/2]

template<class T>

template<class U >

classdesc::enable_if<classdesc::Not<has_empty<U> >,void>::T minsky::Optional< T >::assign ( const U &  x, classdesc::dummy< 1 >  d = 0  )

inline

Definition at line 52 of file optional.h.

{this->reset(new T(x));}

operator*() [1/2]

template<class T>

T& minsky::Optional< T >::operator* ( )

inline

Definition at line 55 of file optional.h.

{if (!this->get()) this->reset(new T); return *this->get();}

operator*() [2/2]

template<class T>

const T& minsky::Optional< T >::operator* ( ) const

inline

Definition at line 56 of file optional.h.

{return *this->get();}

operator->() [1/2]

template<class T>

T* minsky::Optional< T >::operator-> ( )

inline

Definition at line 57 of file optional.h.

{return &**this;}

operator->() [2/2]

template<class T>

const T* minsky::Optional< T >::operator-> ( ) const

inline

Definition at line 58 of file optional.h.

{return &**this;}

operator=()

template<class T>

template<class U >

Optional& minsky::Optional< T >::operator= ( const U &  x )

inline

Definition at line 60 of file optional.h.

{assign(x); return *this;}

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The documentation for this struct was generated from the following file:

• schema/optional.h