AutoTrace 

 1 class AutoTrace {
 2    public:
 3     typedef std::function<void()> AutoTraceFun;
 4     AutoTrace(AutoTraceFun beginFun, AutoTraceFun endFun) : endFun_(endFun){
 5         if (beginFun) {
 6             beginFun();
 7         }
 8     }
 9     ~AutoTrace() {
10         if (endFun_) {
11             endFun_();
12         }
13     }
14 
15    private:
16     AutoTraceFun endFun_;
17 };
18 
19 #define AUTO_TRACE_(beginFun, endFun, l) AutoTrace autoTrace_## l (beginFun, endFun);
20 #define AUTO_TRACE(beginFun, endFun, l) AUTO_TRACE_(beginFun, endFun, l)
21 #define AUTO_TRACE_TEMP_MEMBER(beginFun, endFun) AUTO_TRACE(beginFun, endFun, __LINE__)

 

posted on 2022-08-23 11:12  炽离  阅读(71)  评论(0)    收藏  举报

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