value Class Reference

Abstraction of the concept of a generic value. More...

#include <ETL/value>

List of all members.

Public Member Functions

 value ()
 value (const value &v)
template<typename T>
 value (const T &v)
valueswap (value &rhs)
template<typename ValueType>
valueoperator= (const ValueType &rhs)
valueoperator= (const value &rhs)
bool empty () const
const std::type_info & type () const

Private Attributes

contentholdercontent

Friends

template<typename ValueType>
ValueType * value_cast (value *v)

Classes

struct  contentholder
class  holder


Detailed Description

Abstraction of the concept of a generic value.

Modified from ideas for the boost::any type. Added binary compatibility structure

Definition at line 65 of file _value.h.


Constructor & Destructor Documentation

value::value  )  [inline]
 

Definition at line 77 of file _value.h.

Referenced by operator=().

value::value const value v  )  [inline]
 

Definition at line 82 of file _value.h.

template<typename T>
value::value const T &  v  )  [inline]
 

Definition at line 90 of file _value.h.


Member Function Documentation

value& value::swap value rhs  )  [inline]
 

Definition at line 98 of file _value.h.

References content.

template<typename ValueType>
value& value::operator= const ValueType &  rhs  )  [inline]
 

Definition at line 105 of file _value.h.

References value().

value& value::operator= const value rhs  )  [inline]
 

Definition at line 111 of file _value.h.

References value().

bool value::empty  )  const [inline]
 

Definition at line 119 of file _value.h.

References content.

const std::type_info& value::type  )  const [inline]
 

Definition at line 124 of file _value.h.

References content, and value::contentholder::type().

Referenced by value_cast().


Friends And Related Function Documentation

template<typename ValueType>
ValueType* value_cast value v  )  [friend]
 

Returns a pointer to the desired value type if the value_type and the internal binary format agree (mediated by using the value_store_type class), otherwise it returns 0.

See also:
value_store_type

Definition at line 199 of file _value.h.


Member Data Documentation

contentholder* value::content [private]
 

Definition at line 74 of file _value.h.

Referenced by empty(), swap(), type(), and value_cast().


The documentation for this class was generated from the following file:
Generated on Thu Jan 12 03:23:08 2006 for ETL by  doxygen 1.4.6