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A comment on The joy of max(). Parent comment

Re:The joy of max() by anonymouz on Saturday March 31, 2018 @10:22AM (#16723398)
You are upset about comment formatting, but find this easier to appreciate?

  ...
  #define __is_constant(x) \
      (sizeof(int) == sizeof(*(1 ? ((void*)((long)(x) * 0l)) : (int*)1)))
  ...
How many C programmers would even understand what that code does, without an explanation?
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Re:The joy of max() by RcouF1uZ4gsC on Saturday March 31, 2018 @01:11PM (#16724113)
And it is not even standard C, but uses GCC extensions.
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