[GitHub] [qpid-proton] astitcher commented on pull request #295: fix invalid unsigned arithmetic.

[GitBox <gi...@apache.org>]

astitcher commented on pull request #295:
URL: https://github.com/apache/qpid-proton/pull/295#issuecomment-775323966


   > it seems to me a practical example that will help to understand why I proposed changes.
   > 
   > ```c++
   > unsigned long A;
   > 
   > // A= 70; (A - 11) = 59; true
   > // A= 11; (A - 11) = 0; false
   > // A= 1; (A - 11) = 18446744073709551607; true
   > // A= 0; (A - 11) = 18446744073709551606; true
   > if (A - 11 > 0)
   > ```
   


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