Libraries are where unsafe belongs. Having unsafe be an explicit feature is immeasurably better compared to every line in the entire program potentially being u

Libraries are where unsafe belongs. Having unsafe be an explicit feature is immeasurably better compared to every line in the entire program potentially being unsafe. Opting out of safety is fine, but safety must be opt-out to be effective, not opt-in. A standard, enforced way to tell readers where the dragons lie is super helpful.