//go:build windows package diskusage import (	"golang.org/x/sys/windows") // New returns the disk status for dir.//// May return Unsupported error if it doesn't work on this platform.func New(dir string) (info Info, err error) {	dir16 := windows.StringToUTF16Ptr(dir)	err = windows.GetDiskFreeSpaceEx(dir16, &info.Available, &info.Total, &info.Free)	return info, err}