class YARP::HashPatternNode

Represents a hash pattern in pattern matching.

foo => { a: 1, b: 2 }
       ^^^^^^^^^^^^^^

foo => { a: 1, b: 2, **c }
       ^^^^^^^^^^^^^^^^^^^

Attributes

assocs[R]

attr_reader assocs: Array

closing_loc[R]

attr_reader closing_loc: Location?

constant[R]

attr_reader constant: Node?

kwrest[R]

attr_reader kwrest: Node?

opening_loc[R]

attr_reader opening_loc: Location?

Public Class Methods

new(constant, assocs, kwrest, opening_loc, closing_loc, location) click to toggle source

def initialize: (constant: Node?, assocs: Array, kwrest: Node?, opening_loc: Location?, closing_loc: Location?, location: Location) -> void

# File lib/yarp/node.rb, line 5482
def initialize(constant, assocs, kwrest, opening_loc, closing_loc, location)
  @constant = constant
  @assocs = assocs
  @kwrest = kwrest
  @opening_loc = opening_loc
  @closing_loc = closing_loc
  @location = location
end

Public Instance Methods

accept(visitor) click to toggle source

def accept: (visitor: Visitor) -> void

# File lib/yarp/node.rb, line 5492
def accept(visitor)
  visitor.visit_hash_pattern_node(self)
end

child_nodes() click to toggle source

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

# File lib/yarp/node.rb, line 5497
def child_nodes
  [constant, *assocs, kwrest]
end

Also aliased as: deconstruct

closing() click to toggle source

def closing: () -> String?

# File lib/yarp/node.rb, line 5541
def closing
  closing_loc&.slice
end

comment_targets() click to toggle source

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

# File lib/yarp/node.rb, line 5511
def comment_targets
  [*constant, *assocs, *kwrest, *opening_loc, *closing_loc]
end

compact_child_nodes() click to toggle source

def compact_child_nodes: () -> Array

# File lib/yarp/node.rb, line 5502
def compact_child_nodes
  compact = []
  compact << constant if constant
  compact.concat(assocs)
  compact << kwrest if kwrest
  compact
end

copy(**params) click to toggle source

def copy: (**params) -> HashPatternNode

# File lib/yarp/node.rb, line 5516
def copy(**params)
  HashPatternNode.new(
    params.fetch(:constant) { constant },
    params.fetch(:assocs) { assocs },
    params.fetch(:kwrest) { kwrest },
    params.fetch(:opening_loc) { opening_loc },
    params.fetch(:closing_loc) { closing_loc },
    params.fetch(:location) { location },
  )
end

deconstruct()

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

Alias for: child_nodes

deconstruct_keys(keys) click to toggle source

# File lib/yarp/node.rb, line 5531
def deconstruct_keys(keys)
  { constant: constant, assocs: assocs, kwrest: kwrest, opening_loc: opening_loc, closing_loc: closing_loc, location: location }
end

inspect(inspector = NodeInspector.new) click to toggle source

# File lib/yarp/node.rb, line 5545
def inspect(inspector = NodeInspector.new)
  inspector << inspector.header(self)
  if (constant = self.constant).nil?
    inspector << "├── constant: ∅\n"
  else
    inspector << "├── constant:\n"
    inspector << constant.inspect(inspector.child_inspector("│   ")).delete_prefix(inspector.prefix)
  end
  inspector << "├── assocs: #{inspector.list("#{inspector.prefix}│   ", assocs)}"
  if (kwrest = self.kwrest).nil?
    inspector << "├── kwrest: ∅\n"
  else
    inspector << "├── kwrest:\n"
    inspector << kwrest.inspect(inspector.child_inspector("│   ")).delete_prefix(inspector.prefix)
  end
  inspector << "├── opening_loc: #{inspector.location(opening_loc)}\n"
  inspector << "└── closing_loc: #{inspector.location(closing_loc)}\n"
  inspector.to_str
end

opening() click to toggle source

def opening: () -> String?

# File lib/yarp/node.rb, line 5536
def opening
  opening_loc&.slice
end