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A comment on C++17 creates a practical use of the backward array index operator. Parent comment

Re:C++17 creates a practical use of the backward array index... by addaon on Monday April 03, 2023 @09:44PM (#35433905)
This was previously an undefined order. It is now defined. Any code that you would have reviewed previously requires no additional knowledge to review now. Any code that is depending on this new C++17 defined behavior is either pushing the cleverness ceiling, or is going to document the dependency.
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