func (os Objects) Format(f format.Formatter) {
	f.WriteString(0, "SECTION")
	f.WriteString(2, "OBJECTS")
	for _, o := range os {
		o.Format(f)
	}
	f.WriteString(0, "ENDSEC")
}
Format writes OBJECTS data to formatter.
package object
import (
	"github.com/yofu/dxf/format"
)
type Object interface {
	IsObject() bool
	Format(f format.Formatter)
	Handle() int
	SetHandle(*int)
}
type Objects []Object
func New() Objects {
	o := make([]Object, 0)
	return o
}