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| Config::AST::Node::Null(3) | User Contributed Perl Documentation | Config::AST::Node::Null(3) |
NAME
Config::AST::Node::Null - a null node
DESCRIPTION
Implements null node - a node returned by direct retrieval if the requested node is not present in the tree.
In boolean context, null nodes evaluate to false.
METHODS
$node->is_null
Returns true.
$node->as_string
Returns the string "(null)".
$node->value
Returns "undef".
SEE ALSO
Config::AST, Config::AST::Node.
| 2019-08-28 | perl v5.40.2 |
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