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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.