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for loop as a macros
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Join Date: Nov 2008
Posts: 922
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Solved Threads: 92
Posting Shark
Just don't use macros for loops.
"Jedenfalls bin ich überzeugt, daß der Alte nicht würfelt."
"I became very sensitive to what will happen to all this and all of us." -Two geniuses named Albert
"I became very sensitive to what will happen to all this and all of us." -Two geniuses named Albert
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Join Date: Aug 2008
Posts: 206
Reputation:
Solved Threads: 31
Posting Whiz in Training
Firstly, there is no space between the closing bracket at the end of FOR(x,n) and preceding the rest. That's a stylistic concern, but badly hurts readability.
Second, and more significantly, typeof() is not a standard function or operator in C++. It is an extension specific to g++ (GNU c++) in which typeof(x) expands to be type of x and will trigger a compiler error with every compiler that does not support that extension. Within a for loop (assuming you're using g++), if x is an int, then
Second, and more significantly, typeof() is not a standard function or operator in C++. It is an extension specific to g++ (GNU c++) in which typeof(x) expands to be type of x and will trigger a compiler error with every compiler that does not support that extension. Within a for loop (assuming you're using g++), if x is an int, then
FOR(x,n) would expand to for (int; x < n; x++) which is invalid code. 
Apart from anything else this useless macros must be
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