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- // compound assignment operators
- #include <iostream>
- #include \
- <iostream>
- #include \
- \
- <iostream>
- #include \
- \
- "iostream"
- #include <boost/asio/io_service.hpp>
- #include "boost/asio/io_service.hpp"
- #include \
- \
- "iostream" \
- "string" \
- <vector>
-
- using namespace std;
- //
- int main ()
- {
- int a, b=3; /* foobar */
- a = b; // single line comment\
- continued
- a+=2; // equivalent to a=a+2
- cout << a;
- #if VERBOSE >= 2
- prints("trace message");
- #endif
- return 0;
- }
- /* Print an error message and get out */
- #define ABORT \
- do { \
- print( "Abort\n" ); \
- exit(8); \
- } while (0) /* Note: No semicolon */
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