begin require "bundler/inline" rescue LoadError => e $stderr.puts "Bundler version 1.10 or later is required. Please update your Bundler" raise e end gemfile(true) do source "https://rubygems.org" gem "rails", github: "rails/rails" gem "benchmark-ips" end require "active_support" require "active_support/core_ext/object/blank" # Your patch goes here. class String def fast_blank? true end end # Enumerate some representative scenarios here. # # It is very easy to make an optimization that improves performance for a # specific scenario you care about but regresses on other common cases. # Therefore, you should test your change against a list of representative # scenarios. Ideally, they should be based on real-world scenarios extracted # from production applications. SCENARIOS = { "Empty" => "", "Single Space" => " ", "Two Spaces" => " ", "Mixed Whitspaces" => " \t\r\n", "Very Long String" => " " * 100 } SCENARIOS.each_pair do |name, value| puts puts " #{name} ".center(80, "=") puts Benchmark.ips do |x| x.report("blank?") { value.blank? } x.report("fast_blank?") { value.fast_blank? } x.compare! end end