Struct sp_runtime::traits::ConvertToValue

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pub struct ConvertToValue<T>(/* private fields */);
Expand description

Adapter which turns a [Get] implementation into a Convert implementation which always returns in the same value no matter the input.

Trait Implementations§

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impl<X, Y, T: Get<Y>> Convert<X, Y> for ConvertToValue<T>

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fn convert(_: X) -> Y

Make conversion.
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impl<X, Y, T: Get<Y>> MaybeConvert<X, Y> for ConvertToValue<T>

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fn maybe_convert(_: X) -> Option<Y>

Attempt to make conversion.
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impl<X, Y, T: Get<Y>> MaybeConvertBack<X, Y> for ConvertToValue<T>

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fn maybe_convert_back(_: Y) -> Option<X>

Attempt to make conversion back.
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impl<X, Y, T: Get<Y>> MaybeEquivalence<X, Y> for ConvertToValue<T>

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fn convert(_: &X) -> Option<Y>

Attempt to convert reference of A into value of B, returning None if not possible.
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fn convert_back(_: &Y) -> Option<X>

Attempt to convert reference of B into value of A, returning None if not possible.
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impl<X, Y, T: Get<Y>> TryConvert<X, Y> for ConvertToValue<T>

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fn try_convert(_: X) -> Result<Y, X>

Attempt to make conversion. If returning Result::Err, the inner must always be a.
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impl<X, Y, T: Get<Y>> TryConvertBack<X, Y> for ConvertToValue<T>

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fn try_convert_back(y: Y) -> Result<X, Y>

Attempt to make conversion back. If returning Result::Err, the inner must always be b.

Auto Trait Implementations§

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impl<T> RefUnwindSafe for ConvertToValue<T>
where T: RefUnwindSafe,

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impl<T> Send for ConvertToValue<T>
where T: Send,

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impl<T> Sync for ConvertToValue<T>
where T: Sync,

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impl<T> Unpin for ConvertToValue<T>
where T: Unpin,

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impl<T> UnwindSafe for ConvertToValue<T>
where T: 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<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> CheckedConversion for T

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fn checked_from<T>(t: T) -> Option<Self>
where Self: TryFrom<T>,

Convert from a value of T into an equivalent instance of Option<Self>. Read more
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fn checked_into<T>(self) -> Option<T>
where Self: TryInto<T>,

Consume self to return Some equivalent value of Option<T>. 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, Outer> IsWrappedBy<Outer> for T
where Outer: AsRef<T> + AsMut<T> + From<T>, T: From<Outer>,

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fn from_ref(outer: &Outer) -> &T

Get a reference to the inner from the outer.

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fn from_mut(outer: &mut Outer) -> &mut T

Get a mutable reference to the inner from the outer.

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> SaturatedConversion for T

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fn saturated_from<T>(t: T) -> Self
where Self: UniqueSaturatedFrom<T>,

Convert from a value of T into an equivalent instance of Self. Read more
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fn saturated_into<T>(self) -> T
where Self: UniqueSaturatedInto<T>,

Consume self to return an equivalent value of T. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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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>,

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

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fn unchecked_into(self) -> T

The counterpart to unchecked_from.
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impl<T, S> UniqueSaturatedInto<T> for S
where T: Bounded, S: TryInto<T>,

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fn unique_saturated_into(self) -> T

Consume self to return an equivalent value of T.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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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
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impl<T> JsonSchemaMaybe for T

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impl<T> MaybeRefUnwindSafe for T
where T: RefUnwindSafe,