gem 'power_assert', '>= 0', group: %i(development)
gem 'rake', '>= 0', group: %i(development)
gem 'rspec', '>= 0', group: %i(development)
gem 'rubocop', '>= 0', group: %i(development)
gem 'ruby-mysql', '~> 4.1.0'
