code: int getField(int element, int field) {
  		assert(m_buffer[element >> m_blockPower][(element & m_blockMask) + 1] != -0x7eadbeed);
  		return m_buffer[element >> m_blockPower][(element & m_blockMask)
  				+ field];
  	}
docs: Returns the given field of the element.