Converts some type into its representation as a byte array.

into_bytes.cpp

#include <algorithm>
#include <array>

template <typename T>
constexpr std::array<char, sizeof(T)> into_bytes(const T& t){
  std::array<char, sizeof(T)> bytes;
  std::copy( reinterpret_cast<const char*>(&t), reinterpret_cast<const char*>(&t) + sizeof(t), bytes.begin() );
  return bytes;
}