我正在为教育目的开发一个简单的数学库，我已经实现了一个代表RationalNumber的struct.显示结构核心字段的非常基本的代码是:publicstructRationalNumber{privatereadonlylongnumerator;privatereadonlylongdenominator;privateboolisDefinitelyCoprime;privatestaticRationalNumberzero=0;publicRationalNumber(longnumerator,longdenominator){this.numerator=numerato