Represents the use of the ‘defined?` keyword.
defined?(a) ^^^^^^^^^^^
attr_reader value: Prism::node
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6151
def initialize(source, node_id, location, flags, lparen_loc, value, rparen_loc, keyword_loc)
  @source = source
  @node_id = node_id
  @location = location
  @flags = flags
  @lparen_loc = lparen_loc
  @value = value
  @rparen_loc = rparen_loc
  @keyword_loc = keyword_loc
end
          
        
      Initialize a new DefinedNode node.
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6275
def self.type
  :defined_node
end
          
        
      Return a symbol representation of this node type. See ‘Node::type`.
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6281
def ===(other)
  other.is_a?(DefinedNode) &&
    (lparen_loc.nil? == other.lparen_loc.nil?) &&
    (value === other.value) &&
    (rparen_loc.nil? == other.rparen_loc.nil?) &&
    (keyword_loc.nil? == other.keyword_loc.nil?)
end
          
        
      Implements case-equality for the node. This is effectively == but without comparing the value of locations. Locations are checked only for presence.
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6163
def accept(visitor)
  visitor.visit_defined_node(self)
end
          
        
      def accept: (Visitor visitor) -> void
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6168
def child_nodes
  [value]
end
          
        
      def child_nodes: () -> Array[nil | Node]
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6178
def comment_targets
  [*lparen_loc, value, *rparen_loc, keyword_loc] #: Array[Prism::node | Location]
end
          
        
      def comment_targets: () -> Array[Node | Location]
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6173
def compact_child_nodes
  [value]
end
          
        
      def compact_child_nodes: () -> Array
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6183
def copy(node_id: self.node_id, location: self.location, flags: self.flags, lparen_loc: self.lparen_loc, value: self.value, rparen_loc: self.rparen_loc, keyword_loc: self.keyword_loc)
  DefinedNode.new(source, node_id, location, flags, lparen_loc, value, rparen_loc, keyword_loc)
end
          
        
      
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6191
def deconstruct_keys(keys)
  { node_id: node_id, location: location, lparen_loc: lparen_loc, value: value, rparen_loc: rparen_loc, keyword_loc: keyword_loc }
end
          
        
      def deconstruct_keys: (Array keys) -> { node_id: Integer, location: Location, lparen_loc: Location?, value: Prism::node, rparen_loc: Location?, keyword_loc: Location }
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6265
def inspect
  InspectVisitor.compose(self)
end
          
        
      def inspect -> String
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6260
def keyword
  keyword_loc.slice
end
          
        
      def keyword: () -> String
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6237
def keyword_loc
  location = @keyword_loc
  return location if location.is_a?(Location)
  @keyword_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
end
          
        
      attr_reader keyword_loc: Location
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6250
def lparen
  lparen_loc&.slice
end
          
        
      def lparen: () -> String?
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6196
def lparen_loc
  location = @lparen_loc
  case location
  when nil
    nil
  when Location
    location
  else
    @lparen_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
  end
end
          
        
      attr_reader lparen_loc: Location?
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6255
def rparen
  rparen_loc&.slice
end
          
        
      def rparen: () -> String?
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6218
def rparen_loc
  location = @rparen_loc
  case location
  when nil
    nil
  when Location
    location
  else
    @rparen_loc = Location.new(source, location >> 32, location & 0xFFFFFFFF)
  end
end
          
        
      attr_reader rparen_loc: Location?
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6245
def save_keyword_loc(repository)
  repository.enter(node_id, :keyword_loc)
end
          
        
      Save the keyword_loc location using the given saved source so that it can be retrieved later.
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6210
def save_lparen_loc(repository)
  repository.enter(node_id, :lparen_loc) unless @lparen_loc.nil?
end
          
        
      Save the lparen_loc location using the given saved source so that it can be retrieved later.
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6232
def save_rparen_loc(repository)
  repository.enter(node_id, :rparen_loc) unless @rparen_loc.nil?
end
          
        
      Save the rparen_loc location using the given saved source so that it can be retrieved later.
          
            # File tmp/rubies/ruby-3.4.1/lib/prism/node.rb, line 6270
def type
  :defined_node
end
          
        
      Return a symbol representation of this node type. See ‘Node#type`.