...mbers set),不包括的0 的自然数组成的集合(即正 自然数集),记作 N Z :全体整数组成的集合,即整数集(set of integer) Q :全体有理数组成的集合,即有理数集(rational numbers set) R :全体实数组成的集合,即实数集(set of real numbers) ...
For example, you can declare an enumeration for a setofinteger constants associated with the days of the week, and then use the names of the days rather than their integer values in your code.
Recall from the discussion in the first article of this series that whenever I want to use multi-byte integer format, I must set the leftmost bit of the first length byte to 1.