type BinaryFP struct {
	Bits int
}

func (bfp *BinaryFP) print(ps *printState) {
	fmt.Fprintf(&ps.buf, "_Float%d", bfp.Bits)
}

func (bfp *BinaryFP) Traverse(fn func(AST) bool) {
	fn(bfp)
}

func (bfp *BinaryFP) Copy(fn func(AST) AST, skip func(AST) bool) AST {
	if skip(bfp) {
		return nil
	}
	return fn(bfp)
}

func (bfp *BinaryFP) GoString() string {