fn bucketPrev(f: *AllocFooter, b: *Bucket, s: *SafeAllocator) ?*AllocFooter f: *AllocFooterb: *Buckets: *SafeAllocator392
393
394
395 fn bucketPrev(f: *AllocFooter, b: *Bucket, s: *SafeAllocator) ?*AllocFooter {
if (f.isExtended()) return f.extended().container.bucket_prev;
return b.allocFooterBefore(s, Bucket.fillAt(s, f.userMemory().ptr), f.data.prev_extended);
}