SAFETY comment
Also written: // SAFETY:, # Safety
A `// SAFETY:` comment explains why an `unsafe` block's rule holds, and a `# Safety` doc section states the rule an `unsafe fn` needs its callers to keep.
Also written: // SAFETY:, # Safety
A `// SAFETY:` comment explains why an `unsafe` block's rule holds, and a `# Safety` doc section states the rule an `unsafe fn` needs its callers to keep.