Struct sp_core::offchain::OffchainDbExt[−][src]

pub struct OffchainDbExt(pub Box<dyn DbExternalities>);

Expand description

The offchain database extension that will be registered at the Substrate externalities.

Implementations

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impl OffchainDbExt

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pub fn new<O: DbExternalities + 'static>(offchain: O) -> Self

Create a new instance of OffchainDbExt.

Methods from Deref<Target = Box<dyn DbExternalities>>

Trait Implementations

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impl Deref for OffchainDbExt

type Target = Box<dyn DbExternalities>

The resulting type after dereferencing.

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fn deref(&self) -> &Self::Target

Dereferences the value.

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impl DerefMut for OffchainDbExt

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fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.

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impl Extension for OffchainDbExt

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fn as_mut_any(&mut self) -> &mut dyn Any

Return the extension as &mut dyn Any. Read more

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impl From<Box<dyn DbExternalities + 'static, Global>> for OffchainDbExt

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fn from(inner: Box<dyn DbExternalities>) -> Self

Performs the conversion.

Auto Trait Implementations

impl !RefUnwindSafe for OffchainDbExt

impl Send for OffchainDbExt

impl !Sync for OffchainDbExt

impl Unpin for OffchainDbExt

impl !UnwindSafe for OffchainDbExt

Blanket Implementations

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

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

Mutably borrows from an owned value. Read more

impl<T> Downcast for T where
    T: Any,

pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait. Read more

pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait. Read more

pub fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s. Read more

pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s. Read more

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impl<T> From<T> for T

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pub fn from(t: T) -> T

Performs the conversion.

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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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pub fn into(self) -> U

Performs the conversion.

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impl<T, Outer> IsWrappedBy<Outer> for T where
    T: From<Outer>,
    Outer: AsRef<T> + AsMut<T> + From<T>,

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pub fn from_ref(&Outer) -> &T

Get a reference to the inner from the outer.

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pub fn from_mut(&mut Outer) -> &mut T

Get a mutable reference to the inner from the outer.

impl<T> Same<T> for T

type Output = T

Should always be Self

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

type Error = Infallible

The type returned in the event of a conversion error.

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pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

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

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

The type returned in the event of a conversion error.

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pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

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impl<S, T> UncheckedInto<T> for S where
    T: UncheckedFrom<S>,

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pub fn unchecked_into(Self) -> T

The counterpart to unchecked_from.

impl<V, T> VZip<V> for T where
    V: MultiLane<T>,

pub fn vzip(self) -> V