[Go][Struct][Selector] Collection

main.go

package main

import (
	"fmt"
)

type Sample interface {
	Any()
	Some()
}

type PartI struct {
}

func (p *PartI) Any() {
	fmt.Println("PartI::Any()")
}

type PartII struct {
}

func (p *PartII) Some() {
	fmt.Println("PartII::Some()")
}

type PartIII struct {
}

func (p *PartIII) Any() {
	fmt.Println("PartIII::Any()")
}

func (p *PartIII) Some() {
	fmt.Println("PartIII::Some()")
}

type Collection struct {
	PartI
	// PartIII
	PartII
}


func main() {
	c := &Collection{
		PartI{}, 
		// PartIII{},
		PartII{},
	}
	
	c.Any()
	c.Some()
}

/*
package main

import (
	"fmt"
)

type Sample interface {
	Any()
	Some()
}

type PartI struct {
}

func (p *PartI) Any() {
	fmt.Println("PartI::Any()")
}

type PartII struct {
}

func (p *PartII) Some() {
	fmt.Println("PartII::Some()")
}

type PartIII struct {
}

func (p *PartIII) Any() {
	fmt.Println("PartIII::Any()")
}

func (p *PartIII) Some() {
	fmt.Println("PartIII::Some()")
}

type Collection struct {
	PartI
	p PartIII
	PartII
}


func main() {
	c := &Collection{
		PartI{}, 
		PartIII{},
		PartII{},
	}
	
	c.Any()
	c.Some()
	c.p.Any()
	c.p.Some()
}
*/