git.iko.soy/crush
on 9c79c19 help sign in
crush/vendor/github.com/xo/terminfo/stack.go
48 lines 661 B history raw
1package terminfo
3type stack []interface{}
5func (s *stack) push(v interface{}) {
6 *s = append(*s, v)
7}
9func (s *stack) pop() interface{} {
10 if len(*s) == 0 {
11 return nil
12 }
13 v := (*s)[len(*s)-1]
14 *s = (*s)[:len(*s)-1]
15 return v
18func (s *stack) popInt() int {
19 if i, ok := s.pop().(int); ok {
20 return i
21 }
22 return 0
25func (s *stack) popBool() bool {
26 if b, ok := s.pop().(bool); ok {
27 return b
28 }
29 return false
32func (s *stack) popByte() byte {
33 if b, ok := s.pop().(byte); ok {
34 return b
35 }
36 return 0
39func (s *stack) popString() string {
40 if a, ok := s.pop().(string); ok {
41 return a
42 }
43 return ""
46func (s *stack) reset() {
47 *s = (*s)[:0]