如果某个班级有自己是班级的试办成员,施工者ALWAYS是否必须在施工者初步名单中为之提供初步证明?
在某些情况下,在我的法典中,这导致了非常长的初始者名单,这是做事的路。 我只问,因为它看着迷人,但如果它想到怎样做,那么那就错了。
is the same also the case for constant instance member variables?
For objects, you will have to initialize all members that do not have a default constructor. If you omit a member in the initialization list, its default constructor will be used (or its value will be undefined for primitive types).
<>原始>类型 (int,pointers),其法律效力不是予以初步确定,但其价值为un specified。
最后,must initialize reference to otherbject (std:string &)。
See this accreditation/a> for more.
此外,我要指出,如果你的班子有很多成员,也许可以表明你应该将其分成几个较小的班级。 最佳做法是开设只有一项责任的班级(见http://en.wikipedia.org/wiki/Single_responsibility_principle”rel=“nofollow noreferer”>。
如果你有违约构造者(没有参数),那么你就不需要明确予以启动。
经常发生的情况是,在出现违约情况时,没有点什么? 因此,除非你有选择,否则根本就没有意义。 (当然,如果出于任何原因,你可以做些什么的话)。
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