And which is what I already mentioned? And something that standard library already can do for you so I'm not sure about the point you're trying to make. Also,

And which is what I already mentioned? And something that standard library already can do for you so I'm not sure about the point you're trying to make. Also, aborting the program is not something you can universally apply. For some it works well for others not so much. Most recent example being the rust in the kernel which, well, tries to take this sort of a purist approach, however, real world doesn't work that way.