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Guard

sofie_db

Struct Guard 

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pub struct Guard<A: Aggregate> { /* private fields */ }
Expand description

Refuses its commit with its field error when a matching record exists by then; replies nothing.

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impl<A: Aggregate> Guard<A>

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pub fn except(self, id: Id<A>) -> Self

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pub fn keyed(self, key: impl Display) -> Self

Any two commits whose records could clash must share the key.

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impl<A: Aggregate> Outcome for Guard<A>

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fn plan(&self, plan: &mut Plan<'_>) -> Result<()>

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fn committed(&mut self, stamp: Stamp)

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fn reply(self) -> Result<Reply>
where Self: Sized,

What was planned is already committed when serializing fails.

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impl<A> Freeze for Guard<A>
where PhantomData<fn() -> A>: Freeze,

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impl<A> RefUnwindSafe for Guard<A>
where PhantomData<fn() -> A>: RefUnwindSafe,

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impl<A> Send for Guard<A>
where PhantomData<fn() -> A>: Send,

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impl<A> Sync for Guard<A>
where PhantomData<fn() -> A>: Sync,

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impl<A> Unpin for Guard<A>
where PhantomData<fn() -> A>: Unpin,

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impl<A> UnsafeUnpin for Guard<A>
where PhantomData<fn() -> A>: UnsafeUnpin,

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impl<A> UnwindSafe for Guard<A>
where PhantomData<fn() -> A>: UnwindSafe,

Blanket Implementations§

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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<O> AnyOutcome for O
where O: Outcome,

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fn into_reply(self: Box<O>) -> Result<Reply, Error>

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self> ⓘ

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self> ⓘ

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> ⓘ
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self> ⓘ

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more