spin_core

Struct Store

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pub struct Store<T> { /* private fields */ }
Expand description

A Store holds the runtime state of a Spin instance.

In general, a Store is expected to live only for the lifetime of a single Spin trigger invocation.

A Store can be built with a StoreBuilder.

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impl<T> Store<T>

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pub fn set_deadline(&mut self, deadline: Instant)

Sets the execution deadline.

This is a rough deadline; an instance will trap some time after this deadline, determined by EngineBuilder::epoch_tick_interval and details of the system’s thread scheduler.

See wasmtime::Store::set_epoch_deadline.

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pub fn data(&self) -> &T

Provides access to the inner wasmtime::Store’s data.

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pub fn data_mut(&mut self) -> &mut T

Provides access to the inner wasmtime::Store’s data.

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impl<T> AsContext for Store<T>

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type Data = T

The host information associated with the Store, aka the T in Store<T>.
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fn as_context(&self) -> StoreContext<'_, Self::Data>

Returns the store context that this type provides access to.
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impl<T> AsContextMut for Store<T>

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fn as_context_mut(&mut self) -> StoreContextMut<'_, Self::Data>

Returns the store context that this type provides access to.
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impl<T> AsMut<Store<T>> for Store<T>

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fn as_mut(&mut self) -> &mut Store<T>

Converts this type into a mutable reference of the (usually inferred) input type.
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impl<T> AsRef<Store<T>> for Store<T>

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fn as_ref(&self) -> &Store<T>

Converts this type into a shared reference of the (usually inferred) input type.

Auto Trait Implementations§

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impl<T> Freeze for Store<T>

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impl<T> !RefUnwindSafe for Store<T>

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impl<T> Send for Store<T>
where T: Send,

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impl<T> Sync for Store<T>
where T: Sync,

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impl<T> Unpin for Store<T>

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impl<T> !UnwindSafe for Store<T>

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WithSubscriber for T

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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
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more