Struct rquickjs::promise::PromiseFuture

source · 
pub struct PromiseFuture<'js, T> { /* private fields */ }
Available on crate feature futures only.
Expand description

Future-aware promise

Trait Implementations§

source§

impl<'js, T> Debug for PromiseFuture<'js, T>
where T: Debug,

source§

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
source§

impl<'js, T> Future for PromiseFuture<'js, T>
where T: FromJs<'js>,

§

type Output = Result<T, Error>

The type of value produced on completion.
source§

fn poll( self: Pin<&mut PromiseFuture<'js, T>>, cx: &mut Context<'_> ) -> Poll<<PromiseFuture<'js, T> as Future>::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
source§

impl<'js, T> Unpin for PromiseFuture<'js, T>

Auto Trait Implementations§

§

impl<'js, T> Freeze for PromiseFuture<'js, T>

§

impl<'js, T> !RefUnwindSafe for PromiseFuture<'js, T>

§

impl<'js, T> !Send for PromiseFuture<'js, T>

§

impl<'js, T> !Sync for PromiseFuture<'js, T>

§

impl<'js, T> !UnwindSafe for PromiseFuture<'js, T>

Blanket Implementations§

source§

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

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

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

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

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

source§

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

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

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

source§

fn into(self) -> U

Calls U::from(self).

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

source§

impl<T> IntoEither for T

source§

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
source§

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
source§

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

§

type Output = <F as Future>::Output

The output that the future will produce on completion.
§

type IntoFuture = F

Which kind of future are we turning this into?
source§

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

Creates a future from a value. Read more
source§

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

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

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

Performs the conversion.
source§

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

§

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

The type returned in the event of a conversion error.
source§

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

Performs the conversion.