29 lines
424 B
Go
29 lines
424 B
Go
//go:build !solution
|
|
|
|
package iprange
|
|
|
|
import (
|
|
"math/big"
|
|
"net"
|
|
)
|
|
|
|
// Asc implements sorting in ascending order for IP addresses
|
|
type asc []net.IP
|
|
|
|
func (a asc) Len() int {
|
|
return len(a)
|
|
}
|
|
|
|
func (a asc) Swap(i, j int) {
|
|
a[i], a[j] = a[j], a[i]
|
|
}
|
|
|
|
func (a asc) Less(i, j int) bool {
|
|
bigi := big.NewInt(0).SetBytes(a[i])
|
|
bigj := big.NewInt(0).SetBytes(a[j])
|
|
|
|
if bigi.Cmp(bigj) == -1 {
|
|
return true
|
|
}
|
|
return false
|
|
}
|