Struct runtime_injector::SingletonProvider [−][src]
A service provider that only creates a single instance of the service. The service is created only during its first request. Any subsequent requests return service pointers to the same service.
Implementations
impl<D, R, F> SingletonProvider<D, R, F> where
R: Service,
F: ServiceFactory<D, R>,
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R: Service,
F: ServiceFactory<D, R>,
Trait Implementations
impl<D, R, F> From<F> for SingletonProvider<D, R, F> where
R: Service,
F: ServiceFactory<D, R>,
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R: Service,
F: ServiceFactory<D, R>,
impl<D, R, F> TypedProvider for SingletonProvider<D, R, F> where
D: 'static,
R: Service,
F: ServiceFactory<D, R>,
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D: 'static,
R: Service,
F: ServiceFactory<D, R>,
type Result = R
The type of service this provider can activate.
fn provide_typed(
&mut self,
injector: &mut Injector
) -> InjectResult<Svc<Self::Result>>
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&mut self,
injector: &mut Injector
) -> InjectResult<Svc<Self::Result>>
Auto Trait Implementations
impl<D, R, F> !RefUnwindSafe for SingletonProvider<D, R, F>
impl<D, R, F> !Send for SingletonProvider<D, R, F>
impl<D, R, F> !Sync for SingletonProvider<D, R, F>
impl<D, R, F> Unpin for SingletonProvider<D, R, F> where
F: Unpin,
F: Unpin,
impl<D, R, F> UnwindSafe for SingletonProvider<D, R, F> where
F: UnwindSafe,
R: RefUnwindSafe,
F: UnwindSafe,
R: RefUnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<!> for T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,