(C++) std::cerr
January 8, 2018 · View on GitHub
(C++) std::cerr
std::cerr (abbreviation of 'character error stream') is a stream for error information.
#include <iostream> int main() { std::cout << "Start of program\n"; std::cerr << "Error message: now in middle of program\n"; std::cout << "End of program\n"; }
Screen output:
Start of program End of program
Qt Creator IDE output (while in debugging mode):
Error message: now in middle of program Start of program End of program