type Printer[T ~string] struct {
	PrintFn func(T)
}

func Print[T ~string](s T) {
	fmt.Println(s)
}

func PrintWithPrinter[T ~string, S interface {
	~struct {
		ID       T
		PrintFn_ func(T)
	}
	PrintFn() func(T)
}](message T, obj S) {
	obj.PrintFn()(message)
}

func main() {
	PrintWithPrinter(
		"Hello, world.",
		StructWithPrinter{ID: "fake", PrintFn_: Print[string]},
	)
}

package main

import (
	"fmt"
)

type Printer[T ~string] struct {
	PrintFn func(T)
}

func Print[T ~string](s T) {
	fmt.Println(s)
}

func PrintWithPrinter[T ~string, S interface {
	~struct {
		ID       T
		PrintFn_ func(T)
	}
	PrintFn() func(T)
}](message T, obj S) {
	obj.PrintFn()(message)
}

type PrintShop[T ~string] struct {
	ID       T