Enum AnySnapshot 

pub enum AnySnapshot {
    Readonly(Arc<ReadonlySnapshot>),
    Mutable(Arc<MutableSnapshot>),
    NestedReadonly(Arc<NestedReadonlySnapshot>),
    NestedMutable(Arc<NestedMutableSnapshot>),
    Global(Arc<GlobalSnapshot>),
    TransparentMutable(Arc<TransparentObserverMutableSnapshot>),
    TransparentReadonly(Arc<TransparentObserverSnapshot>),
}

Enum wrapper for all snapshot types.

This provides a type-safe way to work with different snapshot types without requiring trait objects, which avoids object-safety issues.

Variants

Readonly(Arc<ReadonlySnapshot>)

Mutable(Arc<MutableSnapshot>)

NestedReadonly(Arc<NestedReadonlySnapshot>)

NestedMutable(Arc<NestedMutableSnapshot>)

Global(Arc<GlobalSnapshot>)

TransparentMutable(Arc<TransparentObserverMutableSnapshot>)

TransparentReadonly(Arc<TransparentObserverSnapshot>)

Implementations

impl AnySnapshot

pub fn snapshot_id(&self) -> SnapshotId

Get the snapshot ID.

pub fn invalid(&self) -> SnapshotIdSet

Get the set of invalid snapshot IDs.

pub fn is_valid(&self, id: SnapshotId) -> bool

Check if a snapshot ID is valid in this snapshot.

pub fn read_only(&self) -> bool

Check if this is a read-only snapshot.

pub fn root(&self) -> AnySnapshot

Get the root snapshot.

pub fn is_same_transparent( &self, other: &Arc<TransparentObserverMutableSnapshot>, ) -> bool

Check if this snapshot refers to the same transparent snapshot.

pub fn is_same_transparent_mutable( &self, other: &Arc<TransparentObserverMutableSnapshot>, ) -> bool

Check if this snapshot refers to the same transparent mutable snapshot.

pub fn is_same_transparent_readonly( &self, other: &Arc<TransparentObserverSnapshot>, ) -> bool

Check if this snapshot refers to the same transparent readonly snapshot.

pub fn enter<T>(&self, f: impl FnOnce() -> T) -> T

Enter this snapshot, making it current for the duration of the closure.

pub fn take_nested_snapshot( &self, read_observer: Option<ReadObserver>, ) -> AnySnapshot

Take a nested read-only snapshot.

pub fn has_pending_changes(&self) -> bool

Check if there are pending changes.

pub fn dispose(&self)

Dispose of this snapshot.

pub fn is_disposed(&self) -> bool

Check if disposed.

pub fn record_read(&self, state: &dyn StateObject)

Record a read.

pub fn record_write(&self, state: Arc<dyn StateObject>)

Record a write.

pub fn apply(&self) -> SnapshotApplyResult

Apply changes (only valid for mutable snapshots).

pub fn take_nested_mutable_snapshot( &self, read_observer: Option<ReadObserver>, write_observer: Option<WriteObserver>, ) -> AnySnapshot

Take a nested mutable snapshot (only valid for mutable snapshots).

Trait Implementations

impl Clone for AnySnapshot

fn clone(&self) -> AnySnapshot

Returns a duplicate of the value.

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

Performs copy-assignment from source.