Struct Then 

pub struct Then<A, B, W>(/* private fields */);

Implementations

impl<A, B, W> Then<A, B, W>

pub fn wrapped(&self) -> &B

pub fn wrapper(&self) -> &A

pub fn map_wal<T>(self) -> Then<A, B, T>

Trait Implementations

impl<A: Clone, B: Clone, W> Clone for Then<A, B, W>

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<A, B, W> WrapWal<W> for Then<A, B, W>

where A: WrapWal<WalRef<B, W>>, B: WrapWal<W>, W: Wal,

fn limit(&mut self, wrapped: &mut W, size: i64)

fn begin_read_txn(&mut self, wrapped: &mut W) -> Result<bool>

fn end_read_txn(&mut self, wrapped: &mut W)

fn find_frame( &mut self, wrapped: &mut W, page_no: NonZeroU32, ) -> Result<Option<NonZeroU32>>

fn read_frame( &mut self, wrapped: &mut W, frame_no: NonZeroU32, buffer: &mut [u8], ) -> Result<()>

fn read_frame_raw( &mut self, wrapped: &mut W, frame_no: NonZeroU32, buffer: &mut [u8], ) -> Result<()>

fn db_size(&self, wrapped: &W) -> u32

fn begin_write_txn(&mut self, wrapped: &mut W) -> Result<()>

fn end_write_txn(&mut self, wrapped: &mut W) -> Result<()>

fn undo<U: UndoHandler>( &mut self, wrapped: &mut W, handler: Option<&mut U>, ) -> Result<()>

fn savepoint(&mut self, wrapped: &mut W, rollback_data: &mut [u32])

fn savepoint_undo( &mut self, wrapped: &mut W, rollback_data: &mut [u32], ) -> Result<()>

fn insert_frames( &mut self, wrapped: &mut W, page_size: c_int, page_headers: &mut PageHeaders, size_after: u32, is_commit: bool, sync_flags: c_int, ) -> Result<usize>

fn checkpoint( &mut self, wrapped: &mut W, db: &mut Sqlite3Db, mode: CheckpointMode, busy_handler: Option<&mut dyn BusyHandler>, sync_flags: u32, buf: &mut [u8], checkpoint_cb: Option<&mut dyn CheckpointCallback>, in_wal: Option<&mut i32>, backfilled: Option<&mut i32>, ) -> Result<()>

fn exclusive_mode(&mut self, wrapped: &mut W, op: c_int) -> Result<()>

fn uses_heap_memory(&self, wrapped: &W) -> bool

fn set_db(&mut self, wrapped: &mut W, db: &mut Sqlite3Db)

fn callback(&self, wrapped: &W) -> i32

fn frames_in_wal(&self, wrapped: &W) -> u32

fn open<M: WalManager<Wal = W>>( &self, manager: &M, vfs: &mut Vfs, file: &mut Sqlite3File, no_shm_mode: c_int, max_log_size: i64, db_path: &CStr, ) -> Result<W>

fn close<M: WalManager<Wal = W>>( &mut self, manager: &M, wrapped: &mut W, db: &mut Sqlite3Db, sync_flags: c_int, scratch: Option<&mut [u8]>, ) -> Result<()>

fn frame_count(&self, wrapped: &W, locked: i32) -> Result<u32>

fn then<T>(self, other: T) -> Then<Self, T, W>

where Self: Sized,

impl<A: Send, B: Send, W> Send for Then<A, B, W>

Safety: we don’t own a W

impl<A: Sync, B: Sync, W> Sync for Then<A, B, W>

Safety: we don’t own a W