Method hasOwnProperty

object.go:1452–1461

(p Value)

}

func (o *Object) hasOwnProperty(p Value) bool {
	switch p := p.(type) {
	case valueInt:
		return o.self.hasOwnPropertyIdx(p)
	case *Symbol:
		return o.self.hasOwnPropertySym(p)
	default:
		return o.self.hasOwnPropertyStr(p.string())
	}
}

func (o *Object) hasProperty(p Value) bool {
	switch p := p.(type) {