func Count(s string) int {
	return utf8.RuneCountInString(s)
}
Util.go is a collection of utility functions that are used throughout
the program
Count returns the length of a string in runes
This is exactly equivalent to utf8.RuneCountInString(), just less characters
package editor
import (
	"os"
	"path/filepath"
	"reflect"
	"runtime"
	"strconv"
	"strings"
	"time"
	"unicode/utf8"
	"regexp"
	runewidth "github.com/mattn/go-runewidth"
)