Nulls
The opcode 0xEA indicates an untyped null (that is: null, or its alias null.null).
The opcode 0xEB indicates a typed null; a byte follows whose value represents an offset into the following table:
| Byte | Type |
|---|---|
0x00 | null.bool |
0x01 | null.int |
0x02 | null.float |
0x03 | null.decimal |
0x04 | null.timestamp |
0x05 | null.string |
0x06 | null.symbol |
0x07 | null.blob |
0x08 | null.clob |
0x09 | null.list |
0x0A | null.sexp |
0x0B | null.struct |
All other byte values are reserved for future use.
Encoding of null
┌──── The opcode `0xEA` represents a null (null.null)
EA
Encoding of null.string
┌──── The opcode `0xEB` indicates a typed null; a byte indicating the type follows
│ ┌──── Byte 0x05 indicates the type `string`
EB 05