Function numberEncodingSize

libsolutil/Numeric.h:173–179

/// Determine bytes required to encode the given integer value. @returns 0 if @a _i is zero.
template <class T>
inline unsigned numberEncodingSize(T _i)
{
	static_assert(std::is_same<bigint, T>::value || !std::numeric_limits<T>::is_signed, "only unsigned types or bigint supported"); //bigint does not carry sign bit on shift
	unsigned i = 0;
	for (; _i != 0; ++i, _i >>= 8) {}
	return i;
}

}