savanu·il y a 5 ans·discussI don't think the fact that you might be still spreading covid when vaccinated is enough of a reason to continue lockdown. As long we are continually getting people vaccinated, we should be fine for returning to normal.
savanu·il y a 5 ans·discussThe different efficacy rates of the vaccines do not directly imply anything about spreading covid.A vaccinated person can have no symptoms of covid and still be spreading (This may or may not be true).Folks are still studying how effective the vaccines are at preventing spread.
savanu·il y a 5 ans·discussSo you are really looking for compiler checks for null? Kind of like kotlin?var truthy = null; // Compile failsvar nullable? = null; // Compile passesYou don't need value types for this?
savanu·il y a 5 ans·discussHow does making Optionals allocated on the stack (value types) prevent this?Or rather why do you need value types to accomplish this?