main.cpp

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#include "calculator.h"
#include <iostream>
 
int main() {
    Calculator calc(10.0);
 
    try {
        double result = calc.add(5.0)
            .divide(3.0)
            .getValue();
 
        std::cout << "计算结果: " << result << std::endl;
    }
    catch (const std::exception& e) {
        std::cerr << "计算错误: " << e.what() << std::endl;
    }
 
    return 0;
}