# File lib/mspec/guards/guard.rb, line 154
154:   def os?(*oses)
155:     oses.any? do |os|
156:       host_os = Config::CONFIG['host_os'] || RUBY_PLATFORM
157:       host_os.downcase!
158:       host_os.match(os.to_s) || windows?(os, host_os)
159:     end
160:   end