Sha256: 5cc64faa320b7615b961ba1630982ac3328476ef92cf6f3272004b62184bfe13
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Versions: 7
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Contents
# frozen_string_literal: true
module MiniKraken
module Core
class Relation
# @return [String] Name of the relation.
attr_reader :name
# @return [String, NilClass] Optional alternative name of the relation.
attr_reader :alt_name
# @param aName [String] Name of the relation.
# @param alternateName [String, NilClass] Alternative name (optional).
def initialize(aName, alternateName = nil)
@name = aName
@alt_name = alternateName
end
# A relation is polyadic when it accepts an arbitrary number of arguments.
# Most built-in relation takes a fixed number of arguments (= arity).
# @return [Boolean]
def polyadic?
false
end
# Number of arguments for the relation.
# @return [Integer]
def arity
raise NotImplementedError
end
def inspect
alt_name || name
end
end # class
end # module
end # module
Version data entries
7 entries across 7 versions & 1 rubygems