Anonymous Interface

package main;

import (
	"fmt"
);

func main() {
	var m = make(map[string]interface{})

	mf := new(MonkeyFace)
	mf.foo = 128
	mf.bar = "Go is awesome"

	m["Test1"] = 1234
	m["test2"] = "test"
	passToInterface(m, 32)
	m["monkey"] = mf

	fmt.Println(m["myKey"])
	fmt.Println(m["monkey"])
}

func passToInterface(m map[string]interface{}, s interface{}) {
	m["myKey"] = s
}

type MonkeyFace struct {
	foo int
	bar string
}