package main

import (
	"fmt"
	"io"
	"log"
	"log/slog"
	"os"
)

func main() {
	if err := Run(os.Stdin, os.Stdout, os.Stderr); err != nil {
		log.Fatalln(err.Error())
	}
}

func Run(in io.Reader, out, err io.Writer) error {
	_ = slog.New(slog.NewJSONHandler(err, nil))
	_, pErr := fmt.Fprintln(out, "Hello, World!")
	return pErr
}