// See the comment inside ../../../../embed/embed.go's Files struct for rationale.
func embedFileLess(x, y string) bool {
	xdir, xelem, _ := embedFileNameSplit(x)
	ydir, yelem, _ := embedFileNameSplit(y)
	return xdir < ydir || xdir == ydir && xelem < yelem
}

// WriteEmbed emits the init data for a //go:embed variable,
// which is either a string, a []byte, or an embed.FS.