C++ : Modern C++ : what is the best approach for function returning a status (ok/not ok) and an erro

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C++ : Modern C++ : what is the best approach for function returning a status (ok/not ok) and an error (if status not ok)?
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C++ : Modern C++ : what is the best approach for function returning a status (ok/not ok) and an error (if status not ok)?
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C++ status the (ok/not : best (if error what function and for C++ Modern not approach is an a status ok) returning : ok)?



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