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Path

reinhardt

Struct Path 

Source 
pub struct Path<T>(pub T);
Available on (crate features minimal or standard or di) and native only.
Expand description

Extract typed values from URL path parameters.

§Single-parameter extraction

Path<T> for a primitive type (e.g. Path<i64>, Path<String>) requires the URL pattern to declare exactly one path parameter. Extraction returns HTTP 400 if the pattern declares zero or more than one parameter.

§Tuple extraction and parameter order

For tuple extractors Path<(T1, T2, ...)>, tuple elements are populated in URL pattern declaration order — i.e. the order in which {...} placeholders appear in the route pattern, not alphabetical order of parameter names.

// Route:    /orgs/{org}/clusters/{cluster_id}/
// Tuple:    Path<(String, i64)>
//                  ^^^^^^  ^^^
//                  org     cluster_id

Prior to issue #4013, parameters were sorted alphabetically by name before being assigned to tuple fields, which silently produced HTTP 400 when the tuple type order did not match alphabetical name order. Tuple extraction now follows URL pattern order, matching common conventions in other Rust web frameworks.

For unambiguous extraction with many parameters, prefer PathStruct<T> (named struct deserialization), which matches by parameter name rather than position.

§Example

use reinhardt_di::params::Path;

let id = Path(42_i64);
let user_id: i64 = id.0; // or *id
assert_eq!(user_id, 42);

Tuple Fields§

§0: T

Implementations§

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impl<T> Path<T>

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pub fn into_inner(self) -> T

Available on crate feature di only.

Unwrap the Path and return the inner value

§Examples
use reinhardt_di::params::Path;

let path = Path(42i64);
let inner = path.into_inner();
assert_eq!(inner, 42);

Trait Implementations§

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impl<T> Clone for Path<T>
where T: Clone,

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fn clone(&self) -> Path<T>

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<T> Debug for Path<T>
where T: Debug,

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

Formats the value using the given formatter. Read more
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impl<T> Deref for Path<T>

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &<Path<T> as Deref>::Target

Dereferences the value.
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impl FromRequest for Path<(String, String)>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<(String, String)>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<(String, String)>: 'async_trait,

Extract this type from the request Read more
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impl FromRequest for Path<(String, i64)>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<(String, i64)>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<(String, i64)>: 'async_trait,

Extract this type from the request Read more
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impl FromRequest for Path<(i64, String)>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<(i64, String)>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<(i64, String)>: 'async_trait,

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impl FromRequest for Path<(i64, i64)>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<(i64, i64)>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<(i64, i64)>: 'async_trait,

Extract this type from the request Read more
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impl FromRequest for Path<String>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<String>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<String>: 'async_trait,

Extract this type from the request Read more
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impl FromRequest for Path<bool>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<bool>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<bool>: 'async_trait,

Extract this type from the request Read more
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impl FromRequest for Path<f32>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<f32>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<f32>: 'async_trait,

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impl FromRequest for Path<f64>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<f64>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<f64>: 'async_trait,

Extract this type from the request Read more
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impl FromRequest for Path<i128>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<i128>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<i128>: 'async_trait,

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impl FromRequest for Path<i16>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<i16>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<i16>: 'async_trait,

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impl FromRequest for Path<i32>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<i32>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<i32>: 'async_trait,

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impl FromRequest for Path<i64>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<i64>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<i64>: 'async_trait,

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impl FromRequest for Path<i8>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<i8>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<i8>: 'async_trait,

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impl FromRequest for Path<isize>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<isize>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<isize>: 'async_trait,

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impl FromRequest for Path<u128>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<u128>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<u128>: 'async_trait,

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impl FromRequest for Path<u16>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<u16>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<u16>: 'async_trait,

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impl FromRequest for Path<u32>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<u32>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<u32>: 'async_trait,

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impl FromRequest for Path<u64>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<u64>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<u64>: 'async_trait,

Extract this type from the request Read more
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impl FromRequest for Path<u8>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<u8>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<u8>: 'async_trait,

Extract this type from the request Read more
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impl FromRequest for Path<usize>

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fn from_request<'life0, 'life1, 'async_trait>( _req: &'life0 Request, ctx: &'life1 ParamContext, ) -> Pin<Box<dyn Future<Output = Result<Path<usize>, ParamError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Path<usize>: 'async_trait,

Extract this type from the request Read more
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impl<T> WithValidation for Path<T>

Available on non-crate feature validation only.
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fn min_length(self, min: usize) -> ValidationConstraints<Self>

Creates a ValidationConstraints wrapper with a minimum length.
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fn max_length(self, max: usize) -> ValidationConstraints<Self>

Creates a ValidationConstraints wrapper with a maximum length.
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fn min_value<V>(self, min: V) -> ValidationConstraints<Self>
where V: ToString,

Creates a ValidationConstraints wrapper with a minimum value.
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fn max_value<V>(self, max: V) -> ValidationConstraints<Self>
where V: ToString,

Creates a ValidationConstraints wrapper with a maximum value.
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fn regex(self, pattern: impl Into<String>) -> ValidationConstraints<Self>

Creates a ValidationConstraints wrapper with a regex pattern.
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fn email(self) -> ValidationConstraints<Self>

Creates a ValidationConstraints wrapper with email format validation.
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fn url(self) -> ValidationConstraints<Self>

Creates a ValidationConstraints wrapper with URL format validation.

Auto Trait Implementations§

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impl<T> Freeze for Path<T>
where T: Freeze,

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

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

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

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

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impl<T> UnsafeUnpin for Path<T>
where T: UnsafeUnpin,

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impl<T> UnwindSafe for Path<T>
where T: UnwindSafe,

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impl<T, A, P> Access<T> for P
where A: Access<T> + ?Sized, P: Deref<Target = A>,

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type Guard = <A as Access<T>>::Guard

A guard object containing the value and keeping it alive. Read more
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fn load(&self) -> <P as Access<T>>::Guard

The loading method. Read more
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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> Any for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

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fn type_name(&self) -> &'static str

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impl<T> AnySync for T
where T: Any + Send + Sync,

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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync> ⓘ

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impl<'a, T, E> AsTaggedExplicit<'a, E> for T
where T: 'a,

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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

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impl<'a, T, E> AsTaggedImplicit<'a, E> for T
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fn implicit( self, class: Class, constructed: bool, tag: u32, ) -> TaggedParser<'a, Implicit, Self, E>

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Immutably borrows from an owned value. Read more
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Mutably borrows from an owned value. Read more
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where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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where Self: Into<T>,

Converts self into T using Into<T>. Read more
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The equivalent of Access::load.
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fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
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where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.
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where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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where &'a Self: for<'a> IntoIterator,

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The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> TryConv for T

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fn try_conv<T>(self) -> Result<T, Self::Error>
where Self: TryInto<T>,

Attempts to convert self into T using TryInto<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> Upcast<T> for S
where T: UpcastFrom<S> + ?Sized, S: ?Sized,

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fn upcast(&self) -> &T
where Self: ErasableGeneric, T: ErasableGeneric<Repr = Self::Repr>,

Perform a zero-cost type-safe upcast to a wider ref type within the Wasm bindgen generics type system. Read more
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fn upcast_into(self) -> T
where Self: Sized + ErasableGeneric, T: ErasableGeneric<Repr = Self::Repr>,

Perform a zero-cost type-safe upcast to a wider type within the Wasm bindgen generics type system. Read more
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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> Formattable for T
where T: Deref, <T as Deref>::Target: Formattable,

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impl<T> Parsable for T
where T: Deref, <T as Deref>::Target: Parsable,