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# encoding: utf-8
module Memoizable
# Methods mixed in to memoizable instances
module InstanceMethods
# Freeze the object
#
# @example
# object.freeze # object is now frozen
#
# @return [Object]
#
# @api public
def freeze
memoized_method_cache # initialize method cache
super
end
# Sets a memoized value for a method
#
# @example
# object.memoize(hash: 12345)
#
# @param [Hash{Symbol => Object}] data
# the data to memoize
#
# @return [self]
#
# @api public
def memoize(data)
data.each { |name, value| memoized_method_cache[name] = value }
self
end
private
# The memoized method results
#
# @return [Hash]
#
# @api private
def memoized_method_cache
@_memoized_method_cache ||= Memory.new
end
end # InstanceMethods
end # Memoizable
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