package container/ring
Unlink removes n (1st parameter) elements from the ring r, starting at r.Next(). If n is not found, the ring r remains unchanged. The result is the removed subring. Before unlink operation on the ring r. The ring r must not be empty.
Golang container/ring.Ring.Unlink() function usage example
package main
import (
"container/ring"
"fmt"
)
func main() {
r := ring.New(10)
// populate our ring
for i := 10; i > 0; i-- {
r.Value = i
r = r.Prev() // Prev element to populate
}
fmt.Printf("%d ", r.Value)
reverse := r.Prev()
for ; reverse != r; reverse = reverse.Prev() {
fmt.Printf("%d ", reverse.Value)
}
fmt.Println()
r.Unlink(6)
fmt.Printf("%d ", r.Value)
reverse = r.Prev()
for ; reverse != r; reverse = reverse.Prev() {
fmt.Printf("%d ", reverse.Value)
}
fmt.Println()
}
Output :
Before Unlink :
10 9 8 7 6 5 4 3 2 1
After Unlink :
10 9 8 7
Reference :
http://golang.org/pkg/container/ring/#Ring.Unlink
