Go program to display IP address details of a network interface using interface name

 $ vim ipaddress.go 

package main
import (
        "net"
        "log"
        "fmt"
)

func main(){
        ief, err := net.InterfaceByName("wlan0")
        if err !=nil{
                log.Fatal(err)
        }
        addrs, err := ief.Addrs()
        if err !=nil{
                log.Fatal(err)
        }
        fmt.Println(addrs[0])
        fmt.Println(addrs[1])
}

 $ go build ipaddress.go 

 $ ./ipaddress 
192.168.0.109/24
fe80::a2ca:2820:a122:7db4/64

OR in a single command, you can execute as,

 $ go run ipaddress.go