codewars/go/stepik/course_3/base/task/main.go

package main

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

func main() {
	dirTree(os.Stdout, ".", true)
}

func dirTree(output io.Writer, currDir string, printFile bool) error {
	recursionDirTree(currDir)
	return nil
}

// todo Разобраться с log, err.Error
func recursionDirTree(currDir string) {
	fileObj, err := os.Open(currDir)
	defer fileObj.Close()
	if err != nil {
		log.Fatalf("Could not open %s: %s", currDir, err.Error())
	}

	files, err := os.ReadDir(fileObj.Name())
	if err != nil {
		log.Fatalf("Could not read dir names in %s: %s", currDir, err.Error())
	}

	var filesMap map[string]os.FileInfo = map

	fmt.Printf("%T\n", files[0])
	fmt.Println(files)

}