# File lib/pry/command.rb, line 307
    def check_for_command_collision(command_match, arg_string)
      collision_type = target.eval("defined?(#{command_match})")
      collision_type ||= 'local-variable' if arg_string.match(%r{\A\s*[-+*/%&|^]*=})

      if collision_type
        output.puts "#{text.bold('WARNING:')} Calling Pry command '#{command_match}', which conflicts with a #{collision_type}.\n\n"
      end
    rescue Pry::RescuableException
    end