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package terminfo
type stack []interface{}
func (s *stack) push(v interface{}) {
*s = append(*s, v)
}
func (s *stack) pop() interface{} {
if len(*s) == 0 {
return nil
}
v := (*s)[len(*s)-1]
*s = (*s)[:len(*s)-1]
return v
}
func (s *stack) popInt() int {
if i, ok := s.pop().(int); ok {
return i
}
return 0
}
func (s *stack) popBool() bool {
if b, ok := s.pop().(bool); ok {
return b
}
return false
}
func (s *stack) popByte() byte {
if b, ok := s.pop().(byte); ok {
return b
}
return 0
}
func (s *stack) popString() string {
if a, ok := s.pop().(string); ok {
return a
}
return ""
}
func (s *stack) reset() {
*s = (*s)[:0]
}
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