package main

import (
	"fmt"
)

type III interface{}


type A struct {
i int
}

func main() {
	//var m []string

    var ia interface{}
    ia = 8

    var ib III
    ib = 9

    ib = ia

    var a A
    var b struct {
    i int
    }
    b.i = 99

    a = b
    b.i = 55
    
	fmt.Println("Hello, playground", ia, ia == nil, ib, ib == nil, 10, a.i, b.i)

    c := &a
    d := &b
    c.i = 111
    d.i = 222
    fmt.Println(a.i, b.i)
    *c = b
    fmt.Println(a.i, b.i)

    var e *int
    fmt.Println(e)
    i := 666
    e = &i
    fmt.Println(e, *e)
}