Method Pop

data-structures/stack/stack.go:33–40

()

}

func (s *Stack) Pop() (el interface{}) {
	s.lock.Lock()
	defer s.lock.Unlock()

	el, s.stack = s.stack[0], s.stack[1:]
	s.len--
	return
}

func (s *Stack) Push(el interface{}) {
	s.lock.Lock()