// https://play.golang.org/p/FNyxFKcizua
package main

import (
	"fmt"
)

func main() {
	s := "Hello"
	b := Base{Logger: &s}
	fmt.Printf("Base's Logger: %p\n",b)
	
	r := NewRepository(b)
	fmt.Printf("Repository: %p\n", r)
	fmt.Printf("Repository's Logger: %p\n", r.Logger)
	
	r2 := NewRepository(b)
	fmt.Printf("Repository2: %p\n", r2)	
	fmt.Printf("Repository2's Logger: %p\n", r2.Logger)
}

type Base struct {
	Logger *string
}

type Repository struct {
	Base
	Value int
}

func NewRepository(b Base) *Repository {
	return &Repository{
		Base: b,
	}
}

// Base's Logger: %!p(main.Base={0x1040c128})
// Repository: 0x1040c138
// Repository's Logger: 0x1040c128
// Repository2: 0x1040c140
// Repository2's Logger: 0x1040c128