Multiple Catches

Different exception types can be handled by different catch blocks.

multiple_catches.cpp

#include <iostream>
#include <stdexcept>
#include <string>

int loadScore(const std::string& mode) {
    if (mode == "missing") {
        throw std::invalid_argument("missing");
    }
    if (mode == "large") {
        throw std::out_of_range("large");
    }
    return 88;
}

int main() {
    std::string mode = ;

    try {
        int score = loadScore(mode);
        std::cout << "score=" << score << std::endl;
    } catch (const std::invalid_argument& error) {
        std::cout << "problem=missing" << std::endl;
    } catch (const std::out_of_range& error) {
        std::cout << "problem=range" << std::endl;
    }

    std::cout << "mode=" << mode << std::endl;
    return 0;
}

#include <iostream>
#include <stdexcept>
#include <string>

int loadScore(const std::string& mode) {
    if (mode == "missing") {
        throw std::invalid_argument("missing");
    }
    if (mode == "large") {
        throw std::out_of_range("large");
    }
    return 88;
}

int main() {
    std::string mode = ;

    try {
        int score = loadScore(mode);
        std::cout << "score=" << score << std::endl;
    } catch (const std::invalid_argument& error) {
        std::cout << "problem=missing" << std::endl;
    } catch (const std::out_of_range& error) {
        std::cout << "problem=range" << std::endl;
    }

    std::cout << "mode=" << mode << std::endl;
    return 0;
}

#include <iostream>
#include <stdexcept>
#include <string>

int loadScore(const std::string& mode) {
    if (mode == "missing") {
        throw std::invalid_argument("missing");
    }
    if (mode == "large") {
        throw std::out_of_range("large");
    }
    return 88;
}

int main() {
    std::string mode = ;

    try {
        int score = loadScore(mode);
        std::cout << "score=" << score << std::endl;
    } catch (const std::invalid_argument& error) {
        std::cout << "problem=missing" << std::endl;
    } catch (const std::out_of_range& error) {
        std::cout << "problem=range" << std::endl;
    }

    std::cout << "mode=" << mode << std::endl;
    return 0;
}

multiple catches Catch blocks are tested in order, so specific exception types should appear before broader handlers.