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C++ 2a
for-loops as while-loops
array subscription
show all implicit casts
Use libc++
std::initializer_list
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#include <string> #include <type_traits> template <typename T> std::string stringify(T&& t) { if constexpr(std::is_same_v<T, std::string>) { return t; } else if constexpr(std::is_array_v< std::remove_reference_t<T> >) { return std::string{t}; } else { return std::to_string(t); } } int main() { auto x = stringify(2); auto y = stringify("hello"); }
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