int main() // Structured binding + if init if (auto result = safe_divide(10, 2); result.has_value()) auto [val] = result; // structured binding std::cout << "Result: " << val << '\n';

// Filesystem (C++17) for (const auto& entry : fs::directory_iterator(".")) std::cout << entry.path().filename() << '\n';

std::optional<int> safe_divide(int a, int b) if (b == 0) return std::nullopt; return a / b;

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Vc++ 2017 -

int main() // Structured binding + if init if (auto result = safe_divide(10, 2); result.has_value()) auto [val] = result; // structured binding std::cout << "Result: " << val << '\n';

// Filesystem (C++17) for (const auto& entry : fs::directory_iterator(".")) std::cout << entry.path().filename() << '\n'; vc++ 2017

std::optional<int> safe_divide(int a, int b) if (b == 0) return std::nullopt; return a / b; int main() // Structured binding + if init

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