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Contents
# encoding: utf-8
module Axiom
module Types
# Add a minimum and maximum value constraint to a type
module ValueComparable
# The range of allowed values
#
# @return [Range]
#
# @api public
attr_reader :range
# Hook called when module is extended
#
# Add #minimum and #maximum DSL methods to descendant.
#
# @param [Class<Axiom::Types::Type>] descendant
#
# @return [undefined]
#
# @api private
def self.extended(descendant)
super
descendant.accept_options :minimum, :maximum
end
# Finalize by setting up a value range constraint
#
# @return [Axiom::Types::ValueComparable]
#
# @api private
def finalize
return self if frozen?
@range = IceNine.deep_freeze(minimum..maximum)
use_value_within_range
super
end
private
# Add a constraint for a value within a range
#
# @return [undefined]
#
# @todo freeze the minimum and maximum
#
# @api private
def use_value_within_range
constraint(range.method(:cover?))
end
end # module ValueComparable
end # module Types
end # module Axiom
Version data entries
11 entries across 9 versions & 4 rubygems