try, catch and throw in C++

try, catch and throw in C++ — a practical guide to C++ try catch throw with clear examples you can reuse in real projects.

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Short description

Catch std::exception const& for standard errors.

try/catch

try {
    throw std::runtime_error("boom");
} catch (const std::exception& ex) {
    std::cerr << ex.what() << 'n';
}