jaula API Reference
version 1.4.0
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class for handling null values More...
#include <jaula_value_null.h>
Public Member Functions | |
virtual void | repr (std::ostream &ostr) const |
Represents the instance in a stream. | |
virtual void | set (Value const &origin) throw (Bad_Data_Type) |
Copies the contents of one instance into another. | |
Value_Null (void) | |
Constructor. | |
virtual | ~Value_Null () |
Destructor. |
class for handling null values
JAULA::Value_Null::Value_Null | ( | void | ) |
Constructor.
JAULA::Value_Null::~Value_Null | ( | ) | [virtual] |
Destructor.
void JAULA::Value_Null::repr | ( | std::ostream & | ostr | ) | const [virtual] |
Represents the instance in a stream.
ostr | Stream where the instance is to be represented. |
Implements JAULA::Value.
void JAULA::Value_Null::set | ( | Value const & | origin | ) | throw (Bad_Data_Type) [virtual] |
Copies the contents of one instance into another.
origin | Reference to the value to be copied. |
Bad_Data_Type | This exception is launched in case that origin and destination value types are different. |
Reimplemented from JAULA::Value.
References JAULA::Exception::addOrigin(), and JAULA::Value::set().