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kaityo256/test.cpp

Created July 28, 2020 10:30
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Redefined macro
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test.cpp
#include <cstdio>
#define A(x, y) x + y
#define A(x, y) x +y //test.cpp:4:0: warning: "A" redefined
int main() {
printf("%d\n", A(1, 2));
}
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kaityo256 commented Jul 28, 2020 

$ g++ test.cpp
test.cpp:4:0: warning: "A" redefined
 #define A(x, y) x +y //test.cpp:4:0: warning: "A" redefined

test.cpp:3:0: note: this is the location of the previous definition
 #define A(x, y) x + y

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