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for-loops as while-loops
array subscription
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// #A Helper to store a value at compile-time template<class T, T v> struct integral_constant { static constexpr T value = v; }; // #B Aliases for clean TMP using true_type = integral_constant<bool, true>; using false_type = integral_constant<bool, false>; // #C Base is_pointer template template<class T> struct is_pointer : false_type {}; // #D is_pointer specialization for T* template<class T> struct is_pointer<T*> : true_type {}; // #E Test it static_assert(is_pointer<int*>::value); static_assert(not is_pointer<int>::value);
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