Struct tc_value::ValueVisitor

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pub struct ValueVisitor;
Expand description

A struct for deserializing a Value which implements destream::de::Visitor and serde::de::Visitor.

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impl ValueVisitor

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pub fn visit_map_value<'de, A: MapAccess<'de>>( class: ValueType, map: A ) -> Result<Value, A::Error>

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pub async fn visit_map_value_async<A: MapAccess>( class: ValueType, map: &mut A ) -> Result<Value, A::Error>

Trait Implementations§

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impl Default for ValueVisitor

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fn default() -> ValueVisitor

Returns the “default value” for a type. Read more
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impl<'de> Visitor<'de> for ValueVisitor

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type Value = Value

The value produced by this visitor.
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fn expecting(&self, f: &mut Formatter<'_>) -> Result

Format a message stating what data this Visitor expects to receive. Read more
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fn visit_bool<E: SerdeError>(self, b: bool) -> Result<Self::Value, E>

The input contains a boolean. Read more
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fn visit_i8<E: SerdeError>(self, i: i8) -> Result<Self::Value, E>

The input contains an i8. Read more
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fn visit_i16<E: SerdeError>(self, i: i16) -> Result<Self::Value, E>

The input contains an i16. Read more
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fn visit_i32<E: SerdeError>(self, i: i32) -> Result<Self::Value, E>

The input contains an i32. Read more
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fn visit_i64<E: SerdeError>(self, i: i64) -> Result<Self::Value, E>

The input contains an i64. Read more
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fn visit_u8<E: SerdeError>(self, u: u8) -> Result<Self::Value, E>

The input contains a u8. Read more
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fn visit_u16<E: SerdeError>(self, u: u16) -> Result<Self::Value, E>

The input contains a u16. Read more
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fn visit_u32<E: SerdeError>(self, u: u32) -> Result<Self::Value, E>

The input contains a u32. Read more
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fn visit_u64<E: SerdeError>(self, u: u64) -> Result<Self::Value, E>

The input contains a u64. Read more
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fn visit_f32<E: SerdeError>(self, f: f32) -> Result<Self::Value, E>

The input contains an f32. Read more
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fn visit_f64<E: SerdeError>(self, f: f64) -> Result<Self::Value, E>

The input contains an f64. Read more
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fn visit_str<E: SerdeError>(self, s: &str) -> Result<Self::Value, E>

The input contains a string. The lifetime of the string is ephemeral and it may be destroyed after this method returns. Read more
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fn visit_borrowed_str<E: SerdeError>( self, s: &'de str ) -> Result<Self::Value, E>

The input contains a string that lives at least as long as the Deserializer. Read more
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fn visit_string<E: SerdeError>(self, s: String) -> Result<Self::Value, E>

The input contains a string and ownership of the string is being given to the Visitor. Read more
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fn visit_byte_buf<E: SerdeError>(self, buf: Vec<u8>) -> Result<Self::Value, E>

The input contains a byte array and ownership of the byte array is being given to the Visitor. Read more
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fn visit_unit<E: SerdeError>(self) -> Result<Self::Value, E>

The input contains a unit (). Read more
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fn visit_seq<A: SeqAccess<'de>>(self, seq: A) -> Result<Self::Value, A::Error>

The input contains a sequence of elements. Read more
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fn visit_map<A: MapAccess<'de>>(self, map: A) -> Result<Self::Value, A::Error>

The input contains a key-value map. Read more
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fn visit_i128<E>(self, v: i128) -> Result<Self::Value, E>
where E: Error,

The input contains a i128. Read more
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fn visit_u128<E>(self, v: u128) -> Result<Self::Value, E>
where E: Error,

The input contains a u128. Read more
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fn visit_char<E>(self, v: char) -> Result<Self::Value, E>
where E: Error,

The input contains a char. Read more
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fn visit_bytes<E>(self, v: &[u8]) -> Result<Self::Value, E>
where E: Error,

The input contains a byte array. The lifetime of the byte array is ephemeral and it may be destroyed after this method returns. Read more
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fn visit_borrowed_bytes<E>(self, v: &'de [u8]) -> Result<Self::Value, E>
where E: Error,

The input contains a byte array that lives at least as long as the Deserializer. Read more
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fn visit_none<E>(self) -> Result<Self::Value, E>
where E: Error,

The input contains an optional that is absent. Read more
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fn visit_some<D>( self, deserializer: D ) -> Result<Self::Value, <D as Deserializer<'de>>::Error>
where D: Deserializer<'de>,

The input contains an optional that is present. Read more
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fn visit_newtype_struct<D>( self, deserializer: D ) -> Result<Self::Value, <D as Deserializer<'de>>::Error>
where D: Deserializer<'de>,

The input contains a newtype struct. Read more
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fn visit_enum<A>( self, data: A ) -> Result<Self::Value, <A as EnumAccess<'de>>::Error>
where A: EnumAccess<'de>,

The input contains an enum. Read more
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impl Visitor for ValueVisitor

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type Value = Value

The type which this Visitor is responsible for decoding.
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fn expecting() -> &'static str

Format a message stating what data this Visitor expects to receive. Read more
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fn visit_array_u8<'async_trait, A>( self, array: A ) -> Pin<Box<dyn Future<Output = Result<Self::Value, A::Error>> + Send + 'async_trait>>
where A: 'async_trait + ArrayAccess<u8>, Self: 'async_trait,

The input contains an array of u8s. Read more
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fn visit_bool<E: DestreamError>(self, b: bool) -> Result<Self::Value, E>

The input contains a boolean. Read more
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fn visit_i8<E: DestreamError>(self, i: i8) -> Result<Self::Value, E>

The input contains an i8. Read more
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fn visit_i16<E: DestreamError>(self, i: i16) -> Result<Self::Value, E>

The input contains an i16. Read more
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fn visit_i32<E: DestreamError>(self, i: i32) -> Result<Self::Value, E>

The input contains an i32. Read more
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fn visit_i64<E: DestreamError>(self, i: i64) -> Result<Self::Value, E>

The input contains an i64. Read more
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fn visit_u8<E: DestreamError>(self, u: u8) -> Result<Self::Value, E>

The input contains a u8. Read more
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fn visit_u16<E: DestreamError>(self, u: u16) -> Result<Self::Value, E>

The input contains a u16. Read more
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fn visit_u32<E: DestreamError>(self, u: u32) -> Result<Self::Value, E>

The input contains a u32. Read more
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fn visit_u64<E: DestreamError>(self, u: u64) -> Result<Self::Value, E>

The input contains a u64. Read more
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fn visit_f32<E: DestreamError>(self, f: f32) -> Result<Self::Value, E>

The input contains an f32. Read more
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fn visit_f64<E: DestreamError>(self, f: f64) -> Result<Self::Value, E>

The input contains an f64. Read more
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fn visit_string<E: DestreamError>(self, s: String) -> Result<Self::Value, E>

The input contains a string and ownership of the string is being given to the Visitor. Read more
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fn visit_unit<E: DestreamError>(self) -> Result<Self::Value, E>

The input contains a unit (). Read more
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fn visit_none<E: DestreamError>(self) -> Result<Self::Value, E>

The input contains an optional that is absent. The default implementation fails with a type error.
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fn visit_map<'async_trait, A>( self, map: A ) -> Pin<Box<dyn Future<Output = Result<Self::Value, A::Error>> + Send + 'async_trait>>
where A: 'async_trait + MapAccess, Self: 'async_trait,

The input contains a key-value map. The default implementation fails with a type error.
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fn visit_seq<'async_trait, A>( self, seq: A ) -> Pin<Box<dyn Future<Output = Result<Self::Value, A::Error>> + Send + 'async_trait>>
where A: 'async_trait + SeqAccess, Self: 'async_trait,

The input contains a sequence of elements. The default implementation fails with a type error.
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fn visit_array_bool<'async_trait, A>( self, array: A ) -> Pin<Box<dyn Future<Output = Result<Self::Value, <A as ArrayAccess<bool>>::Error>> + Send + 'async_trait>>
where A: 'async_trait + ArrayAccess<bool>, Self: 'async_trait,

The input contains an array of bools. Read more
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fn visit_array_i8<'async_trait, A>( self, array: A ) -> Pin<Box<dyn Future<Output = Result<Self::Value, <A as ArrayAccess<i8>>::Error>> + Send + 'async_trait>>
where A: 'async_trait + ArrayAccess<i8>, Self: 'async_trait,

The input contains an array of i8s. Read more
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fn visit_array_i16<'async_trait, A>( self, array: A ) -> Pin<Box<dyn Future<Output = Result<Self::Value, <A as ArrayAccess<i16>>::Error>> + Send + 'async_trait>>
where A: 'async_trait + ArrayAccess<i16>, Self: 'async_trait,

The input contains an array of i16s. Read more
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fn visit_array_i32<'async_trait, A>( self, array: A ) -> Pin<Box<dyn Future<Output = Result<Self::Value, <A as ArrayAccess<i32>>::Error>> + Send + 'async_trait>>
where A: 'async_trait + ArrayAccess<i32>, Self: 'async_trait,

The input contains an array of i32s. Read more
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fn visit_array_i64<'async_trait, A>( self, array: A ) -> Pin<Box<dyn Future<Output = Result<Self::Value, <A as ArrayAccess<i64>>::Error>> + Send + 'async_trait>>
where A: 'async_trait + ArrayAccess<i64>, Self: 'async_trait,

The input contains an array of i64s. Read more
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fn visit_array_u16<'async_trait, A>( self, array: A ) -> Pin<Box<dyn Future<Output = Result<Self::Value, <A as ArrayAccess<u16>>::Error>> + Send + 'async_trait>>
where A: 'async_trait + ArrayAccess<u16>, Self: 'async_trait,

The input contains an array of u16s. Read more
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fn visit_array_u32<'async_trait, A>( self, array: A ) -> Pin<Box<dyn Future<Output = Result<Self::Value, <A as ArrayAccess<u32>>::Error>> + Send + 'async_trait>>
where A: 'async_trait + ArrayAccess<u32>, Self: 'async_trait,

The input contains an array of u32s. Read more
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fn visit_array_u64<'async_trait, A>( self, array: A ) -> Pin<Box<dyn Future<Output = Result<Self::Value, <A as ArrayAccess<u64>>::Error>> + Send + 'async_trait>>
where A: 'async_trait + ArrayAccess<u64>, Self: 'async_trait,

The input contains an array of u64s. Read more
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fn visit_array_f32<'async_trait, A>( self, array: A ) -> Pin<Box<dyn Future<Output = Result<Self::Value, <A as ArrayAccess<f32>>::Error>> + Send + 'async_trait>>
where A: 'async_trait + ArrayAccess<f32>, Self: 'async_trait,

The input contains an array of f32s. Read more
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fn visit_array_f64<'async_trait, A>( self, array: A ) -> Pin<Box<dyn Future<Output = Result<Self::Value, <A as ArrayAccess<f64>>::Error>> + Send + 'async_trait>>
where A: 'async_trait + ArrayAccess<f64>, Self: 'async_trait,

The input contains an array of f64s. Read more
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fn visit_some<'life0, 'async_trait, D>( self, decoder: &'life0 mut D ) -> Pin<Box<dyn Future<Output = Result<Self::Value, <D as Decoder>::Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, D: 'async_trait + Decoder, Self: 'async_trait,

The input contains an optional that is present. The default implementation fails with a type error.

Auto Trait Implementations§

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<F, T> CastFrom<F> for T
where T: From<F>,

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fn cast_from(f: F) -> T

Cast an instance of T into an instance of Self.
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impl<T, F> CastInto<F> for T
where F: CastFrom<T>,

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fn cast_into(self) -> F

Cast an instance of Self into an instance of T.
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impl<'de, T> Expected for T
where T: Visitor<'de>,

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

Format an explanation of what data was being expected. Same signature as the Display and Debug traits.
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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, 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<F> Match for F

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fn matches<T>(&self) -> bool
where T: TryCastFrom<Self>,

Returns true if self can be cast into the target type T.
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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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<F, T> TryCastFrom<F> for T
where T: CastFrom<F>,

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fn can_cast_from(_: &F) -> bool

Test if value can be cast into Self.
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fn opt_cast_from(f: F) -> Option<T>

Returns Some(Self) if the source value can be cast into Self, otherwise None.
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fn try_cast_from<Err, OnErr>(value: T, on_err: OnErr) -> Result<Self, Err>
where OnErr: FnOnce(&T) -> Err,

Returns Ok(Self) if the source value can be cast into Self, otherwise calls on_err.
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impl<F, T> TryCastInto<T> for F
where T: TryCastFrom<F>,

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fn can_cast_into(&self) -> bool

Test if self can be cast into T.
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fn opt_cast_into(self) -> Option<T>

Returns Some(T) if self can be cast into T, otherwise None.
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fn try_cast_into<Err, OnErr>(self, on_err: OnErr) -> Result<T, Err>
where OnErr: FnOnce(&Self) -> Err,

Returns Ok(T) if self can be cast into T, otherwise calls on_err.
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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> ThreadSafe for T
where T: Send + Sync + 'static,