Go – length of circular linked list or ring in go

Len() function of ring package is used to get the length of circular linked list or ring in go. This function is a part of ring package.

Len() function prototype of ring package:

func (r *Ring) Len() int

Return value of Len() function of ring package::

 Len() returns number of elements in circular linked list aka ring. It also executes in time proportional to the number of elements.

Example of Len() function in ring package:

package main

import (
        "container/ring"
        "fmt"
)

func main() {
        // Create a new ring of size 10
        ri := ring.New(10)

        // Get the length of the ring
        n := ri.Len()

        fmt.Println("Length: ", n)

}

Output:

Length:  10

To learn more about golang, Please refer given below link:

References:

https://golang.org/doc/