Gemfile
source "https://rubygems.org"
gemspec
if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("2.5.0")
gem "coveralls_reborn", "~> 0.22.0"
gem "simplecov", "~> 0.21.0"
end
gem "yardstick", "~> 0.9.9"
gem "json", "2.4.1" if RUBY_VERSION == "2.0.0"
group :development do
gem "benchmark-ips", "~> 2.7.2"
end