func (v Uint32) MarshalEasyJSON(w *jwriter.Writer) {
	if v.Defined {
		w.Uint32(v.V)
	} else {
		w.RawString("null")
	}
}
MarshalEasyJSON does JSON marshaling using easyjson interface.
package opt
import (
	"fmt"
	"github.com/mailru/easyjson/jlexer"
	"github.com/mailru/easyjson/jwriter"
)
type Uint32 struct {
	V       uint32
	Defined bool
}
func OUint32(v uint32) Uint32 {
	return Uint32{V: v, Defined: true}
}
func (v Uint32) Get(deflt uint32) uint32 {
	if !v.Defined {
		return deflt
	}
	return v.V
}