2014年7月9日
effective c++ 条款20 prefer pass-by-reference-to-const to pass-by-value
摘要： pass by value need to call constructor and desructor so not efficient.but exept for built-in type and stl :: iterator and 函数对象 阅读全文
posted @ 2014-07-09 03:53 williamwood 阅读(99) 评论(0) 推荐(0)
effective c++ 条款19 treat class as type design
摘要： not really understand 阅读全文
posted @ 2014-07-09 03:42 williamwood 阅读(94) 评论(0) 推荐(0)
effective c++ 条款18 make interface easy to use correctly and hard to use incorrectly
摘要： 举一个容易犯错的例子class Date{private: int month; int day; int year;public:Date(int month,int day,int year){ this->month = month; ... }}//wrong exampleDa... 阅读全文
posted @ 2014-07-09 03:41 williamwood 阅读(149) 评论(0) 推荐(0)