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C++ 98
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C++ 2b
for-loops as while-loops
array subscription
Show all implicit casts
Use libc++
std::initializer_list
Show noexcept internals
Show padding information
Show coroutine transformation
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#include <iostream> #include <optional> #include <string> #include <vector> std::vector<std::string> createStrings() { return {"This", "is", "a", "vector", "of", "strings"}; } std::optional<std::vector<int>> createOptionalInts() { return std::optional<std::vector<int>>{{1, 2, 3, 4}}; } int main() { for (auto i: createOptionalInts().value()) { std::cout << i << " "; // UB } std::cout << std::endl; }
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