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| // DB.h | |
| // source from leveldb of code.google | |
| class DB | |
| { | |
| public: | |
| DB() { } | |
| virtual ~DB() {} | |
| private: // No copying allowed | |
| DB(const DB&) {} | |
| void operator=(const DB&) {} | |
| }; |
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| // UseDB.cpp | |
| #include "DB.h" | |
| DB db1, db2; | |
| db1 = db2; // error | |
| DB db3(db1); // error |
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