XrdCl::Optional< T > Class Template Reference

#include <XrdClOptional.hh>

Collaboration diagram for XrdCl::Optional< T >:

Public Member Functions
	Optional (const None &n=none)
	Default constructor.
	Optional (const Optional &opt)
	Copy constructor.
	Optional (const T &t)
	Constructor for value.
	Optional (Optional &&opt)
	Move constructor.
	~Optional ()
	operator bool () const
	Conversion to boolean.
T &	operator* ()
	Dereference operator.
const T &	operator* () const
	Dereference operator.
Optional &	operator= (const Optional &opt)
	Copy assignment operator.
Optional &	operator= (Optional &&opt)
	Move assignment operator.

Detailed Description

template<typename T>
class XrdCl::Optional< T >

The Optional class

• T : type of the optional parameter

Definition at line 43 of file XrdClOptional.hh.

Constructor & Destructor Documentation

Optional() [1/4]

template<typename T>

XrdCl::Optional< T >::Optional ( const T & t )

inline

Constructor for value.

Definition at line 50 of file XrdClOptional.hh.

                             : optional( false )
      {
        new( &memory.value ) T( t );
      }

Referenced by Optional(), Optional(), operator=(), and operator=().

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Optional() [2/4]

template<typename T>

XrdCl::Optional< T >::Optional ( const None & n = none )

inline

Default constructor.

Definition at line 58 of file XrdClOptional.hh.

                                     : optional( true )
      {
        (void)n;
      }

References XrdCl::none.

Optional() [3/4]

template<typename T>

XrdCl::Optional< T >::Optional ( const Optional< T > & opt )

inline

Copy constructor.

Definition at line 66 of file XrdClOptional.hh.

                                      : optional( opt.optional )
      {
        if( !optional ) new( &memory.value ) T( opt.memory.value );
      }

References Optional().

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Optional() [4/4]

template<typename T>

XrdCl::Optional< T >::Optional ( Optional< T > && opt )

inline

Move constructor.

Definition at line 74 of file XrdClOptional.hh.

                                  : optional( opt.optional )
      {
        if( !optional ) new( &memory.value ) T( std::move( opt.memory.value ) );
      }

References Optional().

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~Optional()

template<typename T>

XrdCl::Optional< T >::~Optional ( )

inline

Definition at line 82 of file XrdClOptional.hh.

      {
        if( optional ) memory.value.~T();
      }

Member Function Documentation

operator bool()

template<typename T>

XrdCl::Optional< T >::operator bool ( ) const

inline

Conversion to boolean.

Definition at line 116 of file XrdClOptional.hh.

      {
        return optional;
      }

operator*() [1/2]

template<typename T>

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

inline

Dereference operator.

Definition at line 124 of file XrdClOptional.hh.

      {
        return memory.value;
      }

operator*() [2/2]

template<typename T>

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

inline

Dereference operator.

Definition at line 132 of file XrdClOptional.hh.

      {
        return memory.value;
      }

operator=() [1/2]

template<typename T>

Optional & XrdCl::Optional< T >::operator= ( const Optional< T > & opt )

inline

Copy assignment operator.

Definition at line 90 of file XrdClOptional.hh.

      {
        if( this != &opt )
        {
          optional = opt.optional;
          if( !optional ) memory.value = opt.memory.value;
        }
        return *this;
      }

References Optional().

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operator=() [2/2]

template<typename T>

Optional & XrdCl::Optional< T >::operator= ( Optional< T > && opt )

inline

Move assignment operator.

Definition at line 103 of file XrdClOptional.hh.

      {
        if( this != &opt )
        {
          optional = opt.optional;
          if( !optional ) memory.value = std::move( opt.memory.value );
        }
        return *this;
      }

References Optional().

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

• XrdClOptional.hh