std::basic_istream<e,t>& operator>>(std::basic_istream<e,t>& in, const e& cliteral) {
e buffer(0); //get buffer
in >> buffer; //read data
if (buffer != cliteral) //if it failed
in.setstate(in.rdstate() | std::ios::badbit); //set the state
return in;
}
std::basic_istream<e,t>& operator>>(std::basic_istream<e,t>& in, const e(&sliteral)[N]) {
e buffer[N-1] = {}; //get buffer
in >> buffer[0]; //skips whitespace
if (N>2)
in.read(buffer+1, N-2); //read the rest
if (strncmp(buffer, sliteral, N-1)) //if it failed
in.setstate(in.rdstate() | std::ios::badbit); //set the state
return in;
}