http/sessioncache.go
func (s *SessionCache) Add() string {
	strSum := s.salter.DefaultToken()

	err := s.cache.Add(strSum, nil)
	if err != nil {
		panic("Something is seriously wrong, a duplicated token was generated")
	}

	return strSum
}
func (s *SessionCache) Add() string {
	strSum := s.salter.DefaultToken()

	err := s.cache.Add(strSum, nil)
	if err != nil {
		panic("Something is seriously wrong, a duplicated token was generated")
	}

	return strSum
}
// Add creates a new unique token and stores it into current SessionCache
// instance.
//
// The token creation will take at least 200 microseconds, but could normally
// take 2.5 milliseconds. The token generation function it is built with
// security over performance.