Method begin

czxing/src/main/cpp/zxing/src/BitArray.h:65–65

	// (Performance is the reason for the iterator to exist in the first place.)
	Iterator iterAt(int i) const noexcept { return {_bits.cbegin() + i}; }
	Iterator begin() const noexcept { return _bits.cbegin(); }
	Iterator end() const noexcept { return _bits.cend(); }

	/**