minmax.go 761 B

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  1. package missinggo
  2. import "reflect"
  3. func Max(_less interface{}, vals ...interface{}) interface{} {
  4. ret := reflect.ValueOf(vals[0])
  5. retType := ret.Type()
  6. less := reflect.ValueOf(_less)
  7. for _, _v := range vals[1:] {
  8. v := reflect.ValueOf(_v).Convert(retType)
  9. out := less.Call([]reflect.Value{ret, v})
  10. if out[0].Bool() {
  11. ret = v
  12. }
  13. }
  14. return ret.Interface()
  15. }
  16. func MaxInt(first int64, rest ...interface{}) int64 {
  17. return Max(func(l, r interface{}) bool {
  18. return l.(int64) < r.(int64)
  19. }, append([]interface{}{first}, rest...)...).(int64)
  20. }
  21. func MinInt(first interface{}, rest ...interface{}) int64 {
  22. ret := reflect.ValueOf(first).Int()
  23. for _, _i := range rest {
  24. i := reflect.ValueOf(_i).Int()
  25. if i < ret {
  26. ret = i
  27. }
  28. }
  29. return ret
  30. }