Enum IndexBucket

enum IndexBucket {
    Empty {
        ptr: *mut Index,
    },
    Occupied {
        ptr: *mut Index,
        header: DiskBlockHeader,
    },
}

A bucket in our index map, holding a pointer to the index.

This enum indicates whether a given bucket is occupied, and if it is, it holds the respective block header as well.

Variants

Empty

This bucket is empty

If this is a search, this means the entry isn’t in the map, and this is where it would be

Fields

ptr: *mut Index

Occupied

This bucket is occupied. We can read or overwrite the index value from the pointer.

Fields

ptr: *mut Index

header: DiskBlockHeader