lib/axiom/relation/operation/unary.rb
# encoding: utf-8
module Axiom
class Relation
module Operation
# A mixin for Unary relations
module Unary
include Axiom::Operation::Unary
# Initialize a Unary relation
#
# @return [undefined]
#
# @api private
def initialize(*)
super
@header = operand.header
end
end # module Unary
end # module Operation
end # class Relation
end # module Axiom