Initialize nested struct (https://play.golang.org/p/A7dbuyPGsw0)

nested.go

import (
	"fmt"
)

type Toto struct {
	S string
	N struct {
	 I int64
	}
}

func main() {
	toto := &Toto{
	  S: "help",
	  N: struct{
	    I int64
	  }{
	    I: 1234,
	  },
	}
	fmt.Printf("Hello, playground: %v\n", toto)
}

nested2.go

package main

import (
	"fmt"
)

type N struct {
	I int64
}

type Toto struct {
	S string
	N
}

func main() {
	n := N{1234}
	toto := &Toto{
	  S: "help",
	  N: n,
	}
	fmt.Printf("Hello, playground: %v\n", toto)
}

nested2.go: https://play.golang.org/p/V-k_5HlFuLR