lunchbox::Any Class Reference

A class which can hold instances of any type. More...

#include <any.h>

List of all members.

Classes
class	holder
class	placeholder
Public Member Functions
Construction/Destruction
	Any ()
	Construct a new, empty Any.
template<typename ValueType >
	Any (const ValueType &value)
	Construct a new Any with the given value.
	Any (const Any &other)
	Copy-construct a new Any with copying content of other.
	~Any ()
	Destruct this Any.
Modifiers
Any &	swap (Any &rhs)
	Exchange the content of this and rhs.
template<typename ValueType >
Any &	operator= (const ValueType &rhs)
	Assign a new value to this Any.
Any &	operator= (Any rhs)
	Exchange the content of this and rhs.
Queries
bool	empty () const
const std::type_info &	type () const
bool	operator== (const Any &rhs) const
bool	operator!= (const Any &rhs) const
Friends
class	boost::serialization::access
template<typename ValueType >
ValueType *	any_cast (Any *)
	Retrieve the value stored in an Any including type checking.
template<typename ValueType >
ValueType *	unsafe_any_cast (Any *)
	Retrieve the value stored in an Any without type checking.

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Detailed Description

A class which can hold instances of any type.

This class is based on boost.any with the extension to support serialization through boost.serialization if the the ValueType supports this type of serialization.

Definition at line 61 of file any.h.

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Constructor & Destructor Documentation

lunchbox::Any::Any

(

)

Construct a new, empty Any.

Version:

1.5.0

Referenced by operator=().

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template<typename ValueType >

lunchbox::Any::Any

(

const ValueType &

value

)

[inline]

Construct a new Any with the given value.

Version:

1.5.0

Definition at line 71 of file any.h.

lunchbox::Any::Any

(

const Any &

other

)

Copy-construct a new Any with copying content of other.

Version:

1.5.0

lunchbox::Any::~Any

(

)

Destruct this Any.

Version:

1.5.0

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Member Function Documentation

bool lunchbox::Any::empty

(

)

const

Returns:

true if this Any is not holding a value.

Version:

1.5.0

bool lunchbox::Any::operator!=

(

const Any &

rhs

)

const [inline]

Returns:

true if the value from this and rhs are not equal.

Version:

1.5.0

Definition at line 122 of file any.h.

template<typename ValueType >

Any& lunchbox::Any::operator=

(

const ValueType &

rhs

)

[inline]

Assign a new value to this Any.

Version:

1.5.0

Definition at line 90 of file any.h.

References Any().

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Any& lunchbox::Any::operator=

(

Any

rhs

)

Exchange the content of this and rhs.

Version:

1.5.0

bool lunchbox::Any::operator==

(

const Any &

rhs

)

const

Returns:

true if this and rhs are empty or if their values are equal.

Version:

1.5.0

Any& lunchbox::Any::swap

(

Any &

rhs

)

Exchange the content of this and rhs.

Version:

1.5.0

const std::type_info& lunchbox::Any::type

(

)

const

Returns:

the typeid of the contained value if non-empty, otherwise typeid(void).

Version:

1.5.0

Referenced by lunchbox::any_cast().

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Friends And Related Function Documentation

template<typename ValueType >

ValueType* any_cast

(

Any *

operand

)

[friend]

Retrieve the value stored in an Any including type checking.

Returns:

the value stored in the given Any, 0 if types are not matching

Version:

1.5.0

Definition at line 232 of file any.h.

template<typename ValueType >

ValueType* unsafe_any_cast

(

Any *

operand

)

[friend]

Retrieve the value stored in an Any without type checking.

Returns:

the value stored in the given Any

Version:

1.5.0

Definition at line 298 of file any.h.

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

• any.h