package models import "time" type Order int const ( Asc Order = iota Desc ) func IntSort(a, b int, o Order) bool { if o == Asc { return a < b } return a > b } func Int32Sort(a, b int32, o Order) bool { if o == Asc { return a < b } return a > b } func Int64Sort(a, b int64, o Order) bool { if o == Asc { return a < b } return a > b } func DateSort(a, b *time.Time, o Order) bool { if o == Desc { if a == nil || b == nil { return b == nil } return a.After(*b) } if a == nil || b == nil { return a == nil } return a.Before(*b) }