Benchmarking hash vs set in Perpetuity::AttributeSet

benchmark_attribute_set.rb

require_relative '../lib/perpetuity/attribute_set.rb'
require_relative '../lib/perpetuity/attribute.rb'
require 'benchmark/ips'

include Perpetuity
attributes = AttributeSet.new
names = %w(foo bar baz quux abc def ghi)
names.each do |name|
  attributes << Attribute.new(name)
end

Benchmark.ips do |x|
  x.report('AttributeSet iteration') { attributes.each {} }
  x.report('AttributeSet indexing') { attributes[names.sample] }
end