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Class: Prism::RationalNode

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, PrismNode
Instance Chain:
self, PrismNode
Inherits: PrismNode
  • ::Object
Defined in: lib/prism/node.rb,
ext/prism/api_node.c,
lib/prism/node_ext.rb

Overview

Represents a rational number literal.

1.0r
^^^^

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(source, node_id, location, flags, numerator, denominator) ⇒ RationalNode

Initialize a new RationalNode node.

[ GitHub ]

  
# File 'lib/prism/node.rb', line 13336

def initialize(source, node_id, location, flags, numerator, denominator)
  @source = source
  @node_id = node_id
  @location = location
  @flags = flags
  @numerator = numerator
  @denominator = denominator
end

Class Method Details

.type

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

[ GitHub ]

  
# File 'lib/prism/node.rb', line 13417

def self.type
  :rational_node
end

Instance Attribute Details

#binary? ⇒ Boolean (readonly)

def binary?: () -> bool

[ GitHub ]

  
# File 'lib/prism/node.rb', line 13379

def binary?
  flags.anybits?(IntegerBaseFlags::BINARY)
end

#decimal? ⇒ Boolean (readonly)

def decimal?: () -> bool

[ GitHub ]

  
# File 'lib/prism/node.rb', line 13384

def decimal?
  flags.anybits?(IntegerBaseFlags::DECIMAL)
end

#denominator (readonly)

The denominator of the rational number.

1.5r # denominator 2
[ GitHub ]

  
# File 'lib/prism/node.rb', line 13405

attr_reader :denominator

#hexadecimal? ⇒ Boolean (readonly)

def hexadecimal?: () -> bool

[ GitHub ]

  
# File 'lib/prism/node.rb', line 13394

def hexadecimal?
  flags.anybits?(IntegerBaseFlags::HEXADECIMAL)
end

#numerator (readonly)

The numerator of the rational number.

1.5r # numerator 3
[ GitHub ]

  
# File 'lib/prism/node.rb', line 13401

attr_reader :numerator

#octal? ⇒ Boolean (readonly)

def octal?: () -> bool

[ GitHub ]

  
# File 'lib/prism/node.rb', line 13389

def octal?
  flags.anybits?(IntegerBaseFlags::OCTAL)
end

Instance Method Details

#===(other)

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

[ GitHub ]

  
# File 'lib/prism/node.rb', line 13423

def ===(other)
  other.is_a?(RationalNode) &&
    (flags === other.flags) &&
    (numerator === other.numerator) &&
    (denominator === other.denominator)
end

#accept(visitor)

def accept: (Visitor visitor) -> void

[ GitHub ]

  
# File 'lib/prism/node.rb', line 13346

def accept(visitor)
  visitor.visit_rational_node(self)
end

#child_nodes Also known as: #deconstruct

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

[ GitHub ]

  
# File 'lib/prism/node.rb', line 13351

def child_nodes
  []
end

#comment_targets

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

[ GitHub ]

  
# File 'lib/prism/node.rb', line 13361

def comment_targets
  [] #: Array[Prism::node | Location]
end

#compact_child_nodes

def compact_child_nodes: () -> Array

[ GitHub ]

  
# File 'lib/prism/node.rb', line 13356

def compact_child_nodes
  []
end

#copy(node_id: self.node_id, location: self.location, flags: self.flags, numerator: self.numerator, denominator: self.denominator)

def copy: (?node_id: Integer, ?location: Location, ?flags: Integer, ?numerator: Integer, ?denominator: Integer) -> RationalNode

[ GitHub ]

  
# File 'lib/prism/node.rb', line 13366

def copy(node_id: self.node_id, location: self.location, flags: self.flags, numerator: self.numerator, denominator: self.denominator)
  RationalNode.new(source, node_id, location, flags, numerator, denominator)
end

#deconstruct

Alias for #child_nodes.

[ GitHub ]

  
# File 'lib/prism/node.rb', line 13371

alias deconstruct child_nodes

#deconstruct_keys(keys)

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

[ GitHub ]

  
# File 'lib/prism/node.rb', line 13374

def deconstruct_keys(keys)
  { node_id: node_id, location: location, numerator: numerator, denominator: denominator }
end

#inspect

def inspect -> String

[ GitHub ]

  
# File 'lib/prism/node.rb', line 13407

def inspect
  InspectVisitor.compose(self)
end

#numeric

Returns the value of the node as an IntegerNode or a FloatNode. This method is deprecated in favor of #value or #numerator/#denominator.

[ GitHub ]

  
# File 'lib/prism/node_ext.rb', line 123

def numeric
  deprecated("value", "numerator", "denominator")

  if denominator == 1
    IntegerNode.new(source, -1, location.chop, flags, numerator)
  else
    FloatNode.new(source, -1, location.chop, 0, numerator.to_f / denominator)
  end
end

#type

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

[ GitHub ]

  
# File 'lib/prism/node.rb', line 13412

def type
  :rational_node
end

#value

Returns the value of the node as a Ruby Rational.

[ GitHub ]

  
# File 'lib/prism/node_ext.rb', line 117

def value
  Rational(numerator, denominator)
end