Check if cin got the wrong type

while (std::cout << "Enter a number" && !(std::cin >> num)) {
    std::cin.clear(); //clear bad input flag
    std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n'); //discard input
    std::cout << "Invalid input; please re-enter.\n";
}

Similar codes

1 vote296 views1 answer
C++ find in pair
C++
-1 vote299 views1 answer
Sinonimo de tratar
C++
1 vote326 views1 answer
How to specify how many decimal to print out with std::cout
C++
1 vote330 views1 answer
Expected number of trials to get n consecutive heads
C++
0 vote301 views1 answer
How to seek to the start of afile in c++
C++
19 votes286 views3 answers
File reading c++
C++
0 vote323 views1 answer
Pause the console c++
C++
0 vote292 views1 answer
Get index by pointer to element of vector c++
C++
0 vote298 views1 answer
Transform c++
C++
3 votes350 views2 answers
How to get last element of set
C++