53: Exception Alternatives

This exercise is pending. Quick notes about this exercise:

• Talk about the possible problems with exceptions using a demo

• Show how to not use them

• std::optional, std::expected

• Talk about nodiscard as a hack for error handling.

• https://en.cppreference.com/cpp/utility/any

• https://en.cppreference.com/cpp/utility/expected

• https://en.cppreference.com/cpp/utility/variant

• https://en.cppreference.com/cpp/utility/optional

The Code

#include <fmt/core.h>
#include <chrono>
#include <thread>
#include <string>

int main(int argc, char* argv[]) {
  fmt::println("HELLO!");
}

The Breakdown

line of code

Description.

The Discussion

Blah blah.

Further Study

• Do this next.