Method BitRange

include/util/bit_range.hpp:55–55

template <typename T> struct BitRange
{
    explicit BitRange(T v) : value(v) {}
    BitIterator<T> begin() const { return BitIterator<T>(value); }
    BitIterator<T> end() const { return BitIterator<T>(0); }
    std::size_t size() const { return std::popcount(static_cast<std::make_unsigned_t<T>>(value)); }