|
|
This is used by VarRW when an element being read is not available. For example, if the route is IPv4, but the IPv6 representation is being asked for.
The dispatcher also treats Null arguments as a special case by returning a Null.
static const char* id | id |
static Hash _hash | _hash |
ElemNull ()
| ElemNull |
ElemNull (const char* )
| ElemNull |
string str ()
| str |
[const]
Reimplemented from Element.
const char* type ()
| type |
[const]
Reimplemented from Element.
Hash hash ()
| hash |
[const]
Reimplemented from Element.
void set_hash (const Hash& x)
| set_hash |
Reimplemented from Element.