pub struct OffchainOverlayedChanges(_);
Expand description
In-memory storage for offchain workers recoding changes for the actual offchain storage implementation.
Implementations
sourceimpl OffchainOverlayedChanges
impl OffchainOverlayedChanges
sourcepub fn into_iter(
self
) -> impl Iterator<Item = ((Vec<u8>, Vec<u8>), OffchainOverlayedChange)>
pub fn into_iter(
self
) -> impl Iterator<Item = ((Vec<u8>, Vec<u8>), OffchainOverlayedChange)>
Consume the offchain storage and iterate over all key value pairs.
sourcepub fn iter<'a>(
&'a self
) -> impl Iterator<Item = (&'a (Vec<u8>, Vec<u8>), &'a OffchainOverlayedChange)>
pub fn iter<'a>(
&'a self
) -> impl Iterator<Item = (&'a (Vec<u8>, Vec<u8>), &'a OffchainOverlayedChange)>
Iterate over all key value pairs by reference.
sourcepub fn drain(
&mut self
) -> impl Iterator<Item = ((Vec<u8>, Vec<u8>), OffchainOverlayedChange)>
pub fn drain(
&mut self
) -> impl Iterator<Item = ((Vec<u8>, Vec<u8>), OffchainOverlayedChange)>
Drain all elements of changeset.
sourcepub fn remove(&mut self, prefix: &[u8], key: &[u8])
pub fn remove(&mut self, prefix: &[u8], key: &[u8])
Remove a key and its associated value from the offchain database.
sourcepub fn set(&mut self, prefix: &[u8], key: &[u8], value: &[u8])
pub fn set(&mut self, prefix: &[u8], key: &[u8], value: &[u8])
Set the value associated with a key under a prefix to the value provided.
sourcepub fn get(&self, prefix: &[u8], key: &[u8]) -> Option<OffchainOverlayedChange>
pub fn get(&self, prefix: &[u8], key: &[u8]) -> Option<OffchainOverlayedChange>
Obtain a associated value to the given key in storage with prefix.
sourcepub fn overlay(
&self
) -> &OverlayedMap<(Vec<u8>, Vec<u8>), OffchainOverlayedChange>
pub fn overlay(
&self
) -> &OverlayedMap<(Vec<u8>, Vec<u8>), OffchainOverlayedChange>
Reference to inner change set.
sourcepub fn overlay_mut(
&mut self
) -> &mut OverlayedMap<(Vec<u8>, Vec<u8>), OffchainOverlayedChange>
pub fn overlay_mut(
&mut self
) -> &mut OverlayedMap<(Vec<u8>, Vec<u8>), OffchainOverlayedChange>
Mutable reference to inner change set.
Trait Implementations
sourceimpl Clone for OffchainOverlayedChanges
impl Clone for OffchainOverlayedChanges
sourcefn clone(&self) -> OffchainOverlayedChanges
fn clone(&self) -> OffchainOverlayedChanges
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
sourceimpl Debug for OffchainOverlayedChanges
impl Debug for OffchainOverlayedChanges
sourceimpl Default for OffchainOverlayedChanges
impl Default for OffchainOverlayedChanges
sourcefn default() -> OffchainOverlayedChanges
fn default() -> OffchainOverlayedChanges
Returns the “default value” for a type. Read more
Auto Trait Implementations
impl RefUnwindSafe for OffchainOverlayedChanges
impl Send for OffchainOverlayedChanges
impl Sync for OffchainOverlayedChanges
impl Unpin for OffchainOverlayedChanges
impl UnwindSafe for OffchainOverlayedChanges
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcepub fn borrow_mut(&mut self) -> &mut T
pub fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T> Downcast for T where
T: Any,
impl<T> Downcast for T where
T: Any,
pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>ⓘNotable traits for Box<R, Global>impl<R> Read for Box<R, Global> where
R: Read + ?Sized, impl<W> Write for Box<W, Global> where
W: Write + ?Sized, impl<I, A> Iterator for Box<I, A> where
I: Iterator + ?Sized,
A: Allocator, type Item = <I as Iterator>::Item;impl<F, A> Future for Box<F, A> where
F: Future + Unpin + ?Sized,
A: Allocator + 'static, type Output = <F as Future>::Output;
pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>ⓘNotable traits for Box<R, Global>impl<R> Read for Box<R, Global> where
R: Read + ?Sized, impl<W> Write for Box<W, Global> where
W: Write + ?Sized, impl<I, A> Iterator for Box<I, A> where
I: Iterator + ?Sized,
A: Allocator, type Item = <I as Iterator>::Item;impl<F, A> Future for Box<F, A> where
F: Future + Unpin + ?Sized,
A: Allocator + 'static, type Output = <F as Future>::Output;
R: Read + ?Sized, impl<W> Write for Box<W, Global> where
W: Write + ?Sized, impl<I, A> Iterator for Box<I, A> where
I: Iterator + ?Sized,
A: Allocator, type Item = <I as Iterator>::Item;impl<F, A> Future for Box<F, A> where
F: Future + Unpin + ?Sized,
A: Allocator + 'static, type Output = <F as Future>::Output;
Convert Box<dyn Trait>
(where Trait: Downcast
) to Box<dyn Any>
. Box<dyn Any>
can
then be further downcast
into Box<ConcreteType>
where ConcreteType
implements Trait
. Read more
pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>
pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>
Convert Rc<Trait>
(where Trait: Downcast
) to Rc<Any>
. Rc<Any>
can then be
further downcast
into Rc<ConcreteType>
where ConcreteType
implements Trait
. Read more
pub fn as_any(&self) -> &(dyn Any + 'static)
pub fn as_any(&self) -> &(dyn Any + 'static)
Convert &Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &Any
’s vtable from &Trait
’s. Read more
pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
Convert &mut Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &mut Any
’s vtable from &mut Trait
’s. Read more
sourceimpl<T> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
sourcefn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
sourceimpl<T, Outer> IsWrappedBy<Outer> for T where
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,
impl<T, Outer> IsWrappedBy<Outer> for T where
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcepub fn to_owned(&self) -> T
pub fn to_owned(&self) -> T
Creates owned data from borrowed data, usually by cloning. Read more
sourcepub fn clone_into(&self, target: &mut T)
pub fn clone_into(&self, target: &mut T)
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more
sourceimpl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>,
impl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>,
sourcepub fn unchecked_into(self) -> T
pub fn unchecked_into(self) -> T
The counterpart to unchecked_from
.
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
pub fn vzip(self) -> V
sourceimpl<T> WithSubscriber for T
impl<T> WithSubscriber for T
sourcefn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
Attaches the provided Subscriber
to this type, returning a
WithDispatch
wrapper. Read more
sourcefn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more