The character array and single character overloads of operator> if they fail to extract any characters.operator> (std::complex) if the function fails to extract a valid complex number.operator> (std::basic_string) if the function extracts no characters from the input stream.The basic_ostream::sentry constructor, executed at the beginning of every output function, under implementation-defined conditions.The basic_istream::sentry constructor, executed at the beginning of every input function, if either eofbit or badbit is already set on the stream, or if the end of stream is encountered while consuming leading whitespace.The failbit is set by the following standard library functions: Note that in nearly all situations, if eofbit is set, the failbit is set as well. The following functions clear eofbit as a side-effect: ![]()
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