pub fn snapshot(
counts: Counts,
rows: &[TagCounts],
overflowed: u32,
) -> HeapSnapshotExpand description
The snapshot of the heap counter’s counts and its rows by tag, with
overflowed names past its table (tags::overflowed), at frame 0: a
row each, its class read from its number (an unknown one as
TagClass::Other), in the snapshot’s order.