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package ds
import (
"fmt"
"math/rand"
)
type Integer struct {
Val int
}
func RandomIntegers(length, max int) ArrayList {
a := make(ArrayList, length)
for i := 0; i < length; i++ {
a[i] = Integer{rand.Intn(max)}
}
return a
}
func SortedIntegers(length int) ArrayList {
a := make(ArrayList, length)
for i := 0; i < length; i++ {
a[i] = Integer{i}
}
return a
}
func ReverseSortedIntegers(length int) ArrayList {
a := make(ArrayList, length)
j := length
for i := 0; i < length; i++ {
a[i] = Integer{j}
j--
}
return a
}
func (i Integer) String() string {
return fmt.Sprintf("%d", i.Val)
}
func (i Integer) Int() int {
return i.Val
}
func (i Integer) Equal(j Elem) bool {
return i.Val == j.Int()
}
func (i Integer) Lower(j Elem) bool {
return i.Val < j.Int()
}
func (i Integer) LowerEqual(j Elem) bool {
return i.Val <= j.Int()
}
func (i Integer) Higher(j Elem) bool {
return i.Val > j.Int()
}
func (i Integer) HigherEqual(j Elem) bool {
return i.Val >= j.Int()
}
func (i Integer) Compare(j Elem) int {
jVal := j.Int()
switch {
case i.Val < jVal:
return -1
case i.Val > jVal:
return 1
}
return 0
}
func (i Integer) CompareCB(j Elem, lowerCB, higherCB, equalsCB func()) {
jVal := j.Int()
switch {
case i.Val < jVal:
lowerCB()
case i.Val > jVal:
higherCB()
default:
equalsCB()
}
}
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