pub enum QoS {
AtMostOnce,
AtLeastOnce,
ExactlyOnce,
}Expand description
Quality of Service level for message delivery.
Variants§
AtMostOnce
Fire and forget - no delivery guarantee.
AtLeastOnce
Deliver at least once (may duplicate).
ExactlyOnce
Deliver exactly once.
Trait Implementations§
impl Copy for QoS
impl Eq for QoS
impl StructuralPartialEq for QoS
Auto Trait Implementations§
impl Freeze for QoS
impl RefUnwindSafe for QoS
impl Send for QoS
impl Sync for QoS
impl Unpin for QoS
impl UnwindSafe for QoS
Blanket Implementations§
Source§impl<T> ArchivePointee for T
impl<T> ArchivePointee for T
Source§type ArchivedMetadata = ()
type ArchivedMetadata = ()
The archived version of the pointer metadata for this type.
Source§fn pointer_metadata(
_: &<T as ArchivePointee>::ArchivedMetadata,
) -> <T as Pointee>::Metadata
fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata
Converts some archived metadata to the pointer metadata for itself.
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Source§impl<F, W, T, D> Deserialize<With<T, W>, D> for F
impl<F, W, T, D> Deserialize<With<T, W>, D> for F
Source§impl<T> LayoutRaw for T
impl<T> LayoutRaw for T
Source§fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>
fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>
Gets the layout of the type.