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IoSlot

vortex_io::request

Struct IoSlot 

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pub struct IoSlot { /* private fields */ }
Expand description

One outstanding request at a time, with ids that never repeat within the owner.

A consumer that issues requests one after another keeps its id allocation, its in-flight request, and the delivered result here, so its own state carries none of them.

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impl IoSlot

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pub fn issue(&mut self, target: IoTarget) -> IoBatch

Issues a request for target with a fresh id. Panics if one is already outstanding or its result has not been taken, since that is a bug in the owner.

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pub fn is_waiting(&self) -> bool

Whether the issued request is still undelivered.

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pub fn deliver(&mut self, id: IoRequestId, result: IoResult)

Stores the result for the in-flight request. Panics on an unknown id or a result that does not match the target, since the driver guarantees both.

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pub fn take(&mut self) -> Option<IoResult>

The delivered result, once.

Trait Implementations§

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impl Default for IoSlot

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fn default() -> Self

Returns the “default value” for a type. Read more

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

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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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Immutably borrows from an owned value. Read more
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where Self: LowerExp,

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where Self: LowerHex,

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where Self: Pointer,

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where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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