The clear() method of ios class in C++ is used to change the current state of the specified flag by setting it. Hence this function changes the internal state of this stream.
void clear(iostate state)
Parameters: This method accepts the iostate as parameter which is the flag bit to be set in this stream. It can be goodbit, failbit, eofbit or badbit.
Return Value: This method do not return anything.
is eofbit set: 0 clear() used to set eofbit is eofbit set: 1
is failbit set: 0 clear() used to set failbit is failbit set: 1
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