Struct tokio_executor::DefaultExecutor
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pub struct DefaultExecutor { /* fields omitted */ }
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 Debug for DefaultExecutor
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fn fmt(&self, __arg_0: &mut Formatter) -> Result
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Formats the value using the given formatter. Read more
impl Clone for DefaultExecutor
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fn clone(&self) -> DefaultExecutor
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Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more