pub struct Context<'a> { /* private fields */ }
Expand description
The context of an asynchronous task.
Currently, Context
only serves to provide access to a &Waker
which can be used to wake the current task.
Available on non-crate feature miri-test-libstd
only.
Create a new Context
from a &Waker
.
Available on non-crate feature miri-test-libstd
only.
Returns a reference to the Waker
for the current task.
Formats the value using the given formatter.
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Immutably borrows from an owned value.
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Mutably borrows from an owned value.
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Returns the argument unchanged.
Instruments this type with the provided
Span
, returning an
Instrumented
wrapper.
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Calls U::from(self)
.
That is, this conversion is whatever the implementation of
From<T> for U
chooses to do.
The alignment of pointer.
The type for initializers.
Initializes a with the given initializer.
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Mutably dereferences the given pointer.
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Drops the object pointed to by the given pointer.
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The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.