Koinutron

Hello, First, this is an extension to homework. I have all the requirements completed, but I'm attempting to write a switch that will allow me to toggle between sorting on actual data structs, or on smart pointers to data structs. By themselves, they both work, but when attempting to combine …

I'm a newbie to c++, and as I'm reading my textbook, I'm applying different rules to this program for converting gallons to liters and vice versa, My question is how can I check that the user input is numeric and not a string of characters? I've tried several things with …