Returns the current stream error state.
current stream error state. It is a bitmask type and can be a combination of the following constants:
Run this code
#include <iostream>
#include <sstream>
int main()
{
std::ostringstream stream;
if (stream.rdstate() == std::ios_base::goodbit)
std::cout << "stream state is goodbit\n";
stream.setstate(std::ios_base::eofbit);
// check state is exactly eofbit (no failbit and no badbit)
if (stream.rdstate() == std::ios_base::eofbit)
std::cout << "stream state is eofbit\n";
}
Output:
stream state is goodbit stream state is eofbit
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