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require "forwardable"
require "thread"
module Hamster
# @private
module ReadCopyUpdate
extend Forwardable
def initialize(content)
@content = content
@lock = Mutex.new
end
def eql?(other)
instance_of?(other.class) && @content.eql?(other.instance_variable_get(:@content))
end
alias :== :eql?
def_delegator :@content, :inspect
def_delegator :@content, :to_s
protected
def transform
@lock.synchronize do
@content = yield(@content)
end
self
end
private
def method_missing(name, *args, &block)
@content.send(name, *args, &block) rescue super
end
end
end
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