Sha256: bf2743a329919da1aeb186b80031b109df8258beb3c9722ba039dd6c81873872
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Size: 1.15 KB
Versions: 13
Compression:
Stored size: 1.15 KB
Contents
module ROM
# @api private
module Memoizable
MEMOIZED_HASH = {}
module ClassInterface
# @api private
def memoize(*names)
prepend(Memoizer.new(self, names))
end
def new(*)
obj = super
obj.instance_variable_set(:'@__memoized__', MEMOIZED_HASH.dup)
obj
end
end
def self.included(klass)
super
klass.extend(ClassInterface)
end
attr_reader :__memoized__
# @api private
class Memoizer < Module
attr_reader :klass
attr_reader :names
# @api private
def initialize(klass, names)
@names = names
@klass = klass
define_memoizable_names!
end
private
# @api private
def define_memoizable_names!
names.each do |name|
meth = klass.instance_method(name)
if meth.parameters.size > 0
define_method(name) do |*args|
__memoized__[:"#{name}_#{args.hash}"] ||= super(*args)
end
else
define_method(name) do
__memoized__[name] ||= super()
end
end
end
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems