If I have:
double x;
cin >> x;
then I proceed to enter a character or a string, what would happen? And what would the statement cin >> x return?
If I have: double x; cin >> x; then I proceed to enter a
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If I have:
double x;
cin >> x;
then I proceed to enter a character or a string, what would happen? And what would the statement cin >> x return?
The
istream::operator>>always returns anistreamobject, no matter what. The value ofxhowever would be undefined, and theistreamwould be “errored” and wouldn’t work again till you cleared the error state.This is just from memory and I really haven’t thought about this before, so if someone sees that this is wrong, I’ll remove it.