1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
|
# frozen_string_literal: true
module Arel # :nodoc: all
module Nodes
class Nary < Arel::Nodes::NodeExpression
attr_reader :children
def initialize(children)
super()
@children = children
end
def left
children.first
end
def right
children[1]
end
def fetch_attribute(&block)
children.any? && children.all? { |child| child.fetch_attribute(&block) }
end
def hash
[self.class, children].hash
end
def eql?(other)
self.class == other.class &&
self.children == other.children
end
alias :== :eql?
end
And = Class.new(Nary)
Or = Class.new(Nary)
end
end
|