ring.Len() Function in Golang With Examples

ring.Len() function in Golang computes the number of components(elements) in ring(a circular list) r. It executes in time corresponding to the number of components(elements).

Syntax:

func (r *Ring) Len() int

It returns Integer.

Example 1:

// Golang program to illustrate
// the ring.Len() function
package main

import (
    "container/ring"
    "fmt"
)
// Main function
func main() {

    // Creating a new ring of size 3
    r := ring.New(3)

    // Print out its length
    fmt.Println(r.Len())

}

Output:

3

Example 2:

// Golang program to illustrate
// the ring.Len() function
package main

import (
    "container/ring"
    "fmt"
)
// Main function
func main() {
    // Creating a new ring of size 10
    r := ring.New(10)

    // Print out its length
    fmt.Println(r.Len())

}

Output:

10

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