https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86921
--- Comment #4 from Yakov <yamirenk at ya dot ru> --- (In reply to Jonathan Wakely from comment #2) > If you're saying that data read from the terminal by std::cin cannot be > "un-read" by typing backspace, that's correct. That is not a GCC bug, it's > just how the OS works. > > In the default line-buffered mode, when you hit Enter the line is sent to > the application. Typing backspace cannot undo that, the program has already > read the data, and doesn't receive the backspace characters. I am sorry. I think, I did mistake in my question. I did not press Enter.
