setstate
About the IO condition states, if I try to set and clear the condition flags, it works. However, for the IO library function s.setstate(flag), the C++ Primer Fourth Edition says: “setstate leaves the existing state variables unchanged except that it adds the additional indicated state(s)”. My question is: How is it possible that a flag (badbit, failbit or eofbit) is unchanged if I change the flag by setting it?
Thank you.
Thank you.
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