Error Handling 1
- C3 has a peculiar sort of optional values. When an optional has a real value, it contains the value, otherwise it contains the reason the value was missing.
- An optional result type is created by taking a type and appending
- The simplest optional is
void!. Because it has no value, it only carries a value in case of a failure, making it identical to an error code.
- It is possible to convert a