raw_cast<T>() - C++ type punning

raw_cast.hpp

#include <cstring>

template <typename T2, typename T1>
inline T2 raw_cast(const T1& x) {
  static_assert(sizeof(T2) == sizeof(T1), "raw_cast type sizes must match");
  T2 result;
  std::memcpy(static_cast<void*>(&result), static_cast<const void*>(&x), sizeof(T2));
  return result;
}