package main

import (
	"fmt"
	"os"

	"github.com/bwmarrin/snowflake"
)

var sfnode, _ = snowflake.NewNode(0)

func errPrintln(a ...any) {
	fmt.Fprintln(os.Stderr, a...)
}

func isExists(dir string) (bool, error) {
	_, err := os.Stat(dir)
	if err != nil {
		if os.IsNotExist(err) {
			return false, nil
		}

		return false, err
	}

	return true, nil
}