MP_* MessagePack types
The binary protocol handles data in the MessagePack format. Short descriptions of the basic MessagePack data types are on MessagePack’s specification page. Tarantool also introduces several MessagePack type extensions.
In this document, MessagePack types are described by words that start with MP_. See this table:
| MP_NIL | nil |
| MP_UINT | unsigned integer |
| MP_INT | either integer or unsigned integer |
| MP_STR | string |
| MP_BIN | binary string |
| MP_ARRAY | array |
| MP_MAP | map |
| MP_BOOL | boolean |
| MP_FLOAT | float |
| MP_DOUBLE | double |
| MP_EXT | extension |
| MP_OBJECT | any MessagePack object |