I think the most interesting this here is the multiple steps of 'fighting with the compiler', being illustrated on a case we know up front is actually a bad ide

I think the most interesting this here is the multiple steps of 'fighting with the compiler', being illustrated on a case we know up front is actually a bad idea. Most of the time we need to go through all those steps to realize that oh, this actually didn't make much sense in the first place. Which doesn't always feel that rewarding...