王春景 开发者_StackOverflow 2021-04-01 16:59 首先准备纸一张（长方形的）第一步对折。。第二步再对折后展开。//。第三步依第二次折的中线以中线为中两边底边折向中线。第四步将上边回折对齐。即成中空状，再
If i have a header file foo.h and a source file foo.cpp, and foo.cpp contains something along the lines of:
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