|  | Qore Programming Language 1.19.5
    | 
holds an object and dereferences it in the destructor More...
#include <QoreValue.h>
| Public Member Methods | |
| DLLLOCAL | ValueHolder (ExceptionSink *xs) | 
| creates an empty object | |
| DLLLOCAL | ValueHolder (QoreValue n_v, ExceptionSink *xs) | 
| creates the object with the given value | |
| DLLEXPORT | ~ValueHolder () | 
| dereferences any contained node | |
| DLLEXPORT QoreValue | getReferencedValue () | 
| returns a referenced value; caller owns the reference; the current object is left undisturbed | |
| DLLLOCAL | operator bool () const | 
| returns true if the value is not NOTHING | |
| DLLLOCAL QoreValue & | operator= (QoreValue nv) | 
| assigns the object, any currently-held value is dereferenced before the assignment | |
| DLLEXPORT QoreValue | release () | 
| returns a QoreValue object and leaves the current object empty; the caller owns any reference contained in the return value | |
| template<typename T > | |
| DLLLOCAL T * | releaseAs () | 
| returns a pointer to a value of the given class and leaves the current object empty  More... | |
|  Public Member Methods inherited from ValueHolderBase | |
| DLLLOCAL | ValueHolderBase (ExceptionSink *xs) | 
| creates an ampty object | |
| DLLLOCAL | ValueHolderBase (QoreValue n_v, ExceptionSink *xs) | 
| creates the object with the given value | |
| DLLLOCAL QoreValue & | operator* () | 
| returns the value being managed | |
| DLLLOCAL const QoreValue & | operator* () const | 
| returns the value being managed | |
| DLLLOCAL QoreValue * | operator-> () | 
| returns the value being managed | |
| DLLLOCAL const QoreValue * | operator-> () const | 
| returns the value being managed | |
| Additional Inherited Members | |
|  Private Attributes inherited from ValueHolderBase | |
| QoreValue | v | 
| the value held | |
| ExceptionSink * | xsink | 
| for possible Qore-language exceptions | |
holds an object and dereferences it in the destructor
| 
 | inline | 
returns a pointer to a value of the given class and leaves the current object empty
the caller owns any reference contained in the return value
References QoreSimpleValue::get(), release(), and ValueHolderBase::v.