stack.go

type floatStack struct {
	s   []float64
	cnt int
}

func (s *floatStack) Push(v float64) {}

func (s *floatStack) Pop() (float64, error) {}

func (s *floatStack) IsEmpty() (bool) {}

func (s *floatStack) Peak() (float64, error) {}

type stringStack struct {
	s   []string
	cnt int
}

func (s *stringStack) Push(v string) {}

func (s *stringStack) Pop() (string, error) {}

func (s *stringStack) IsEmpty() (bool) {}

func (s *stringStack) Peak() (string, error) {}