template <class Dest, class Source>
inline Dest bit_cast(const Source& source) {
// Compile time assertion: sizeof(Dest) == sizeof(Source)
// A compile error here means your Dest and Source have different sizes.
typedef char VerifySizesAreEqual [sizeof(Dest) == sizeof(Source) ? 1 : -1];
Dest dest;
memcpy(&dest, &source, sizeof(dest));
return dest;
}