Struct wasmtime::StoreContextMut

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pub struct StoreContextMut<'a, T>(/* private fields */);
Expand description

A temporary handle to a &mut Store<T>.

This type is suitable for AsContextMut or AsContext trait bounds on methods if desired. For more information, see Store.

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impl<'a, T> StoreContextMut<'a, T>

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pub fn data(&self) -> &T

Access the underlying data owned by this Store.

Same as Store::data.

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

Access the underlying data owned by this Store.

Same as Store::data_mut.

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pub fn engine(&self) -> &Engine

Returns the underlying Engine this store is connected to.

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pub fn gc(&mut self)

Perform garbage collection of ExternRefs.

Same as Store::gc.

This method is only available when the gc Cargo feature is enabled.

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pub async fn gc_async(&mut self)
where T: Send,

Perform garbage collection of ExternRefs.

Same as Store::gc.

This method is only available when the gc Cargo feature is enabled.

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pub fn get_fuel(&self) -> Result<u64>

Returns remaining fuel in this store.

For more information see Store::get_fuel

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pub fn set_fuel(&mut self, fuel: u64) -> Result<()>

Set the amount of fuel in this store.

For more information see Store::set_fuel

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pub fn fuel_async_yield_interval(&mut self, interval: Option<u64>) -> Result<()>

Configures this Store to periodically yield while executing futures.

For more information see Store::fuel_async_yield_interval

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pub fn set_epoch_deadline(&mut self, ticks_beyond_current: u64)

Sets the epoch deadline to a certain number of ticks in the future.

For more information see Store::set_epoch_deadline.

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pub fn epoch_deadline_trap(&mut self)

Configures epoch-deadline expiration to trap.

For more information see Store::epoch_deadline_trap.

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pub fn epoch_deadline_async_yield_and_update(&mut self, delta: u64)

Configures epoch-deadline expiration to yield to the async caller and the update the deadline.

For more information see Store::epoch_deadline_async_yield_and_update.

Trait Implementations§

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impl<T> AsContext for StoreContextMut<'_, 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<'_, T>

Returns the store context that this type provides access to.
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impl<T> AsContextMut for StoreContextMut<'_, T>

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fn as_context_mut(&mut self) -> StoreContextMut<'_, T>

Returns the store context that this type provides access to.
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impl<'a, T: AsContextMut> From<&'a mut T> for StoreContextMut<'a, T::Data>

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fn from(t: &'a mut T) -> StoreContextMut<'a, T::Data>

Converts to this type from the input type.
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impl<'a, T> From<StoreContextMut<'a, T>> for StoreContext<'a, T>

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fn from(store: StoreContextMut<'a, T>) -> StoreContext<'a, T>

Converts to this type from the input type.
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impl<I, T> Index<I> for StoreContextMut<'_, T>
where StoreData: Index<I>,

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type Output = <StoreData as Index<I>>::Output

The returned type after indexing.
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fn index(&self, index: I) -> &Self::Output

Performs the indexing (container[index]) operation. Read more

Auto Trait Implementations§

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impl<'a, T> Freeze for StoreContextMut<'a, T>

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impl<'a, T> !RefUnwindSafe for StoreContextMut<'a, T>

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impl<'a, T> Send for StoreContextMut<'a, T>
where T: Send,

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impl<'a, T> Sync for StoreContextMut<'a, T>
where T: Sync,

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impl<'a, T> Unpin for StoreContextMut<'a, T>

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impl<'a, T> !UnwindSafe for StoreContextMut<'a, 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, 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.