Struct async_ffi::LocalBorrowingFfiFuture[−][src]

#[repr(C)]
pub struct LocalBorrowingFfiFuture<'a, T> { /* fields omitted */ }

Expand description

The FFI compatible future type without Send bound.

Non-Send Futures can only be converted into LocalFfiFuture. It is not able to be spawnd in a multi-threaded runtime, but is useful for thread-local futures, single-threaded runtimes, or single-threaded targets like wasm.

See module level documentation for more details.

Implementations

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impl<'a, T> LocalBorrowingFfiFuture<'a, T>

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pub fn new<F: Future<Output = T> + 'a>(fut: F) -> Self

Convert a Rust Future into a FFI-compatible LocalFfiFuture.

Usually into_local_ffi is preferred and is identical to this method.

Trait Implementations

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impl<T> Drop for LocalBorrowingFfiFuture<'_, T>

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fn drop(&mut self)

Executes the destructor for this type. Read more

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impl<T> Future for LocalBorrowingFfiFuture<'_, T>

type Output = T

The type of value produced on completion.

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fn poll(self: Pin<&mut Self>, ctx: &mut Context<'_>) -> Poll<Self::Output>

Attempt to resolve the future to a final value, registering the current task for wakeup if the value is not yet available. Read more

Auto Trait Implementations

impl<'a, T> RefUnwindSafe for LocalBorrowingFfiFuture<'a, T>

impl<'a, T> !Send for LocalBorrowingFfiFuture<'a, T>

impl<'a, T> !Sync for LocalBorrowingFfiFuture<'a, T>

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

impl<'a, T> UnwindSafe for LocalBorrowingFfiFuture<'a, T>

Blanket Implementations

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

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pub 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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pub 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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pub 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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pub fn from(t: T) -> T

Performs the conversion.

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impl<F> FutureExt for F where
F: Future,

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fn into_ffi<'a>(self) -> BorrowingFfiFuture<'a, Self::Output>ⓘ
Notable traits for BorrowingFfiFuture<'_, T>
`impl<T> Future for BorrowingFfiFuture<'_, T> type Output = T;`
where
Self: Send + 'a,

Convert a Rust Future implementing Send into a FFI-compatible FfiFuture.

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fn into_local_ffi<'a>(self) -> LocalBorrowingFfiFuture<'a, Self::Output>ⓘ
Notable traits for LocalBorrowingFfiFuture<'_, T>
`impl<T> Future for LocalBorrowingFfiFuture<'_, T> type Output = T;`
where
Self: 'a,

Convert a Rust Future into a FFI-compatible LocalFfiFuture.

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impl<T, U> Into for T where
U: From<T>,

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pub fn into(self) -> U

Performs the conversion.

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impl<F> IntoFuture for F where
F: Future,

type Output = <F as Future>::Output

🔬 This is a nightly-only experimental API. (into_future)

The output that the future will produce on completion.

type Future = F

🔬 This is a nightly-only experimental API. (into_future)

Which kind of future are we turning this into?

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pub fn into_future(self) -> <F as IntoFuture>::Future

🔬 This is a nightly-only experimental API. (into_future)

Creates a future from a value.

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

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pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

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pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct async_ffi::LocalBorrowingFfiFuture[−][src]

Implementations

impl<'a, T> LocalBorrowingFfiFuture<'a, T>

pub fn new<F: Future<Output = T> + 'a>(fut: F) -> Self

Trait Implementations

impl<T> Drop for LocalBorrowingFfiFuture<'_, T>

fn drop(&mut self)

impl<T> Future for LocalBorrowingFfiFuture<'_, T>

type Output = T

fn poll(self: Pin<&mut Self>, ctx: &mut Context<'_>) -> Poll<Self::Output>

Auto Trait Implementations

impl<'a, T> RefUnwindSafe for LocalBorrowingFfiFuture<'a, T>

impl<'a, T> !Send for LocalBorrowingFfiFuture<'a, T>

impl<'a, T> !Sync for LocalBorrowingFfiFuture<'a, T>

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

impl<'a, T> UnwindSafe for LocalBorrowingFfiFuture<'a, T>

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where
T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where
T: ?Sized,

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

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<F> FutureExt for F where
F: Future,

fn into_ffi<'a>(self) -> BorrowingFfiFuture<'a, Self::Output>ⓘ
Notable traits for BorrowingFfiFuture<'_, T>
`impl<T> Future for BorrowingFfiFuture<'_, T> type Output = T;`
where
Self: Send + 'a,

fn into_local_ffi<'a>(self) -> LocalBorrowingFfiFuture<'a, Self::Output>ⓘ
Notable traits for LocalBorrowingFfiFuture<'_, T>
`impl<T> Future for LocalBorrowingFfiFuture<'_, T> type Output = T;`
where
Self: 'a,

impl<T, U> Into<U> for T where
U: From<T>,

pub fn into(self) -> U

impl<F> IntoFuture for F where
F: Future,

type Output = <F as Future>::Output

type Future = F

pub fn into_future(self) -> <F as IntoFuture>::Future

impl<T, U> TryFrom<U> for T where
U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

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

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Struct async_ffi::LocalBorrowingFfiFuture[−][src]

Implementations

impl<'a, T> LocalBorrowingFfiFuture<'a, T>

pub fn new<F: Future<Output = T> + 'a>(fut: F) -> Self

Trait Implementations

impl<T> Drop for LocalBorrowingFfiFuture<'_, T>

fn drop(&mut self)

impl<T> Future for LocalBorrowingFfiFuture<'_, T>

type Output = T

fn poll(self: Pin<&mut Self>, ctx: &mut Context<'_>) -> Poll<Self::Output>

Auto Trait Implementations

impl<'a, T> RefUnwindSafe for LocalBorrowingFfiFuture<'a, T>

impl<'a, T> !Send for LocalBorrowingFfiFuture<'a, T>

impl<'a, T> !Sync for LocalBorrowingFfiFuture<'a, T>

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

impl<'a, T> UnwindSafe for LocalBorrowingFfiFuture<'a, T>

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

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

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<F> FutureExt for F where F: Future,

fn into_ffi<'a>(self) -> BorrowingFfiFuture<'a, Self::Output>ⓘNotable traits for BorrowingFfiFuture<'_, T>impl<T> Future for BorrowingFfiFuture<'_, T> type Output = T; where Self: Send + 'a,

fn into_local_ffi<'a>(self) -> LocalBorrowingFfiFuture<'a, Self::Output>ⓘNotable traits for LocalBorrowingFfiFuture<'_, T>impl<T> Future for LocalBorrowingFfiFuture<'_, T> type Output = T; where Self: 'a,

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<F> IntoFuture for F where F: Future,

type Output = <F as Future>::Output

type Future = F

pub fn into_future(self) -> <F as IntoFuture>::Future

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

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

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<F> FutureExt for F where
F: Future,

fn into_ffi<'a>(self) -> BorrowingFfiFuture<'a, Self::Output>ⓘ
Notable traits for BorrowingFfiFuture<'_, T>
`impl<T> Future for BorrowingFfiFuture<'_, T> type Output = T;`
where
Self: Send + 'a,

fn into_local_ffi<'a>(self) -> LocalBorrowingFfiFuture<'a, Self::Output>ⓘ
Notable traits for LocalBorrowingFfiFuture<'_, T>
`impl<T> Future for LocalBorrowingFfiFuture<'_, T> type Output = T;`
where
Self: 'a,

impl<T, U> Into<U> for T where
U: From<T>,

impl<F> IntoFuture for F where
F: Future,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,