Sqlite3.Rc

`sig
type unknown
external int_of_unknown : Sqlite3.Rc.unknown -> int = "%identity"
type t =
OK
| ERROR
| INTERNAL
| PERM
| ABORT
| BUSY
| LOCKED
| NOMEM
| READONLY
| INTERRUPT
| IOERR
| CORRUPT
| NOTFOUND
| FULL
| CANTOPEN
| PROTOCOL
| EMPTY
| SCHEMA
| TOOBIG
| CONSTRAINT
| MISMATCH
| MISUSE
| NOFLS
| AUTH
| FORMAT
| RANGE
| NOTADB
| ROW
| DONE
| UNKNOWN of Sqlite3.Rc.unknown
val to_string : Sqlite3.Rc.t -> string
end`