class Prism::NilNode

Represents the use of the ‘nil` keyword.

nil
^^^

Public Class Methods

new(source, node_id, location, flags) click to toggle source

Initialize a new NilNode node.

# File prism/node.rb, line 12143
def initialize(source, node_id, location, flags)
  @source = source
  @node_id = node_id
  @location = location
  @flags = flags
end

type() click to toggle source

Return a symbol representation of this node type. See ‘Node::type`.

# File prism/node.rb, line 12194
def self.type
  :nil_node
end

Public Instance Methods

===(other) click to toggle source

Implements case-equality for the node. This is effectively == but without comparing the value of locations. Locations are checked only for presence.

# File prism/node.rb, line 12200
def ===(other)
  other.is_a?(NilNode)
end

accept(visitor) click to toggle source

def accept: (Visitor visitor) -> void

# File prism/node.rb, line 12151
def accept(visitor)
  visitor.visit_nil_node(self)
end

child_nodes() click to toggle source

def child_nodes: () -> Array[nil | Node]

# File prism/node.rb, line 12156
def child_nodes
  []
end

Also aliased as: deconstruct

comment_targets() click to toggle source

def comment_targets: () -> Array[Node | Location]

# File prism/node.rb, line 12166
def comment_targets
  [] #: Array[Prism::node | Location]
end

compact_child_nodes() click to toggle source

def compact_child_nodes: () -> Array

# File prism/node.rb, line 12161
def compact_child_nodes
  []
end

copy(node_id: self.node_id, location: self.location, flags: self.flags) click to toggle source

def copy: (?node_id: Integer, ?location: Location, ?flags: Integer) -> NilNode

# File prism/node.rb, line 12171
def copy(node_id: self.node_id, location: self.location, flags: self.flags)
  NilNode.new(source, node_id, location, flags)
end

deconstruct()

def deconstruct: () -> Array[nil | Node]

Alias for: child_nodes

deconstruct_keys(keys) click to toggle source

def deconstruct_keys: (Array keys) -> { node_id: Integer, location: Location }

# File prism/node.rb, line 12179
def deconstruct_keys(keys)
  { node_id: node_id, location: location }
end

inspect() click to toggle source

def inspect -> String

# File prism/node.rb, line 12184
def inspect
  InspectVisitor.compose(self)
end

type() click to toggle source

Return a symbol representation of this node type. See ‘Node#type`.

# File prism/node.rb, line 12189
def type
  :nil_node
end