[−][src]Struct tokio::executor::DefaultExecutor
Executes futures on the default executor for the current execution context.
DefaultExecutor
implements Executor
and can be used to spawn futures
without referencing a specific executor.
When an executor starts, it sets the DefaultExecutor
handle to point to an
executor (usually itself) that is used to spawn new tasks.
The current DefaultExecutor
reference is tracked using a thread-local
variable and is set using tokio_executor::with_default
Methods
impl DefaultExecutor
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pub fn current() -> DefaultExecutor
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Returns a handle to the default executor for the current context.
Futures may be spawned onto the default executor using this handle.
The returned handle will reference whichever executor is configured as
the default at the time spawn
is called. This enables
DefaultExecutor::current()
to be called before an execution context is
setup, then passed into an execution context before it is used.
This is also true for sending the handle across threads, so calling
DefaultExecutor::current()
on thread A and then sending the result to
thread B will not reference the default executor that was set on thread A.
Trait Implementations
impl Clone for DefaultExecutor
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fn clone(&self) -> DefaultExecutor
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fn clone_from(&mut self, source: &Self)
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impl<T> Executor<T> for DefaultExecutor where
T: Future<Item = (), Error = ()> + Send + 'static,
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T: Future<Item = (), Error = ()> + Send + 'static,
fn execute(&self, future: T) -> Result<(), ExecuteError<T>>
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impl<T> TypedExecutor<T> for DefaultExecutor where
T: Future<Item = (), Error = ()> + Send + 'static,
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T: Future<Item = (), Error = ()> + Send + 'static,
fn spawn(&mut self, future: T) -> Result<(), SpawnError>
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fn status(&self) -> Result<(), SpawnError>
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impl Executor for DefaultExecutor
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fn spawn(
&mut self,
future: Box<dyn Future<Item = (), Error = ()> + 'static + Send>
) -> Result<(), SpawnError>
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&mut self,
future: Box<dyn Future<Item = (), Error = ()> + 'static + Send>
) -> Result<(), SpawnError>
fn status(&self) -> Result<(), SpawnError>
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impl Debug for DefaultExecutor
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Auto Trait Implementations
impl Send for DefaultExecutor
impl Unpin for DefaultExecutor
impl Sync for DefaultExecutor
impl UnwindSafe for DefaultExecutor
impl RefUnwindSafe for DefaultExecutor
Blanket Implementations
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> From<T> for T
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
ⓘImportant traits for &'_ mut Wfn borrow_mut(&mut self) -> &mut T
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,