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Example Function that takes an interface type as value and pointer?

Example

package main

import "fmt"

type Showprice interface {
    display(int)
}

func display(s Showprice, price int) {	
    s.display(price)
}

type Car struct {
    Price int
}

func (c Car) display(price int) {
    c.Price = price
}

type Bike struct {
    Price int
}

func (b *Bike) display(price int) {
    b.Price = price
}

func main() {
	ca := Car{Price:2000}
    bi := Bike{Price:400}    
    display(ca, 3000)
    display(&bi, 600)
    fmt.Println("Car:",ca.Price)
    fmt.Println("Bike:",bi.Price)
}

Output

Car: 2000
Bike: 600
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