Struct smart_config::de::WithDefault

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pub struct WithDefault<T, D> { /* private fields */ }
Expand description

Deserializer decorator that defaults to the provided value if the input for the param is missing.

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impl<T: 'static, De: DeserializeParam<T>> WithDefault<T, De>

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pub const fn new(inner: De, default: fn() -> T) -> Self

Creates a new instance.

Trait Implementations§

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impl<T: 'static, D: Debug> Debug for WithDefault<T, D>

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fn fmt(&self, formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<T: 'static, De: DeserializeParam<T>> DeserializeParam<T> for WithDefault<T, De>

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const EXPECTING: BasicTypes = De::EXPECTING

Describes which parameter this deserializer is expecting.
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fn describe(&self, description: &mut TypeDescription)

Additional info about the deserialized type, e.g., extended description.
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fn deserialize_param( &self, ctx: DeserializeContext<'_>, param: &'static ParamMetadata, ) -> Result<T, ErrorWithOrigin>

Performs deserialization given the context and param metadata. Read more
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fn serialize_param(&self, param: &T) -> Value

Serializes the provided parameter to the JSON model. Read more

Auto Trait Implementations§

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impl<T, D> Freeze for WithDefault<T, D>
where D: Freeze,

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impl<T, D> RefUnwindSafe for WithDefault<T, D>
where D: RefUnwindSafe,

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impl<T, D> Send for WithDefault<T, D>
where D: Send,

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impl<T, D> Sync for WithDefault<T, D>
where D: Sync,

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impl<T, D> Unpin for WithDefault<T, D>
where D: Unpin,

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impl<T, D> UnwindSafe for WithDefault<T, D>
where D: 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> 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 = 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<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