Qore Programming Language  0.9.3.1
QoreNullNode.h File Reference
#include <qore/AbstractQoreNode.h>
Include dependency graph for QoreNullNode.h:
This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes

class  QoreNullNode
 Qore's SQL "NULL" parse tree/value type, not-referenced counted, not dynamically allocated. More...
 

Functions

static bool is_null (const AbstractQoreNode *n)
 use this function to test for NULL
 
static QoreNullNodenull ()
 returns a pointer to Null
 

Variables

DLLEXPORT QoreNullNode Null
 the global and unique NULL value in Qore
 

Detailed Description

defines the QoreNullNode class