Struct rocket::http::Status

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pub struct Status {
    pub code: u16,
}
Expand description

Structure representing an HTTP status: an integer code.

A Status should rarely be created directly. Instead, an associated constant should be used; one is declared for every status defined in the HTTP standard. If a custom status code must be created, note that it is not possible to set a custom reason phrase.

use rocket::http::Status;

// Create a status from a known constant.
let ok = Status::Ok;
assert_eq!(ok.code, 200);
assert_eq!(ok.reason(), Some("OK"));

let not_found = Status::NotFound;
assert_eq!(not_found.code, 404);
assert_eq!(not_found.reason(), Some("Not Found"));

// Or from a status code: `reason()` returns the phrase when known.
let gone = Status::new(410);
assert_eq!(gone.code, 410);
assert_eq!(gone.reason(), Some("Gone"));

// `reason()` returns `None` when unknown.
let custom = Status::new(599);
assert_eq!(custom.code, 599);
assert_eq!(custom.reason(), None);

Responding

To set a custom Status on a response, use a response::status responder, which enforces correct status-based responses. Alternatively, respond with (Status, T) where T: Responder, but beware that the response may be invalid if it requires additional headers.

use rocket::http::Status;

#[get("/")]
fn index() -> (Status, &'static str) {
    (Status::NotFound, "Hey, there's no index!")
}

(De)serialization

Status is both Serialize and Deserialize, represented as a u16. For example, Status::Ok (de)serializes from/to 200. Any integer in the range [100, 600) is allowed to deserialize into a Status.`

use serde::{Serialize, Deserialize};
use rocket::http::Status;

#[derive(Deserialize, Serialize)]
struct Foo {
    status: Status,
}

Fields§

§code: u16

The HTTP status code associated with this status.

Implementations§

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impl Status

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pub const Continue: Status = _

Status with code 100 .

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pub const SwitchingProtocols: Status = _

Status with code 101 .

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pub const Processing: Status = _

Status with code 102 .

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pub const Ok: Status = _

Status with code 200 .

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pub const Created: Status = _

Status with code 201 .

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pub const Accepted: Status = _

Status with code 202 .

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pub const NonAuthoritativeInformation: Status = _

Status with code 203 .

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pub const NoContent: Status = _

Status with code 204 .

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pub const ResetContent: Status = _

Status with code 205 .

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pub const PartialContent: Status = _

Status with code 206 .

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pub const MultiStatus: Status = _

Status with code 207 .

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pub const AlreadyReported: Status = _

Status with code 208 .

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pub const ImUsed: Status = _

Status with code 226 .

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pub const MultipleChoices: Status = _

Status with code 300 .

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pub const MovedPermanently: Status = _

Status with code 301 .

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pub const Found: Status = _

Status with code 302 .

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pub const SeeOther: Status = _

Status with code 303 .

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pub const NotModified: Status = _

Status with code 304 .

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pub const UseProxy: Status = _

Status with code 305 .

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pub const TemporaryRedirect: Status = _

Status with code 307 .

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pub const PermanentRedirect: Status = _

Status with code 308 .

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pub const BadRequest: Status = _

Status with code 400 .

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pub const Unauthorized: Status = _

Status with code 401 .

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pub const PaymentRequired: Status = _

Status with code 402 .

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pub const Forbidden: Status = _

Status with code 403 .

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pub const NotFound: Status = _

Status with code 404 .

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pub const MethodNotAllowed: Status = _

Status with code 405 .

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pub const NotAcceptable: Status = _

Status with code 406 .

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pub const ProxyAuthenticationRequired: Status = _

Status with code 407 .

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pub const RequestTimeout: Status = _

Status with code 408 .

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pub const Conflict: Status = _

Status with code 409 .

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pub const Gone: Status = _

Status with code 410 .

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pub const LengthRequired: Status = _

Status with code 411 .

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pub const PreconditionFailed: Status = _

Status with code 412 .

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pub const PayloadTooLarge: Status = _

Status with code 413 .

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pub const UriTooLong: Status = _

Status with code 414 .

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pub const UnsupportedMediaType: Status = _

Status with code 415 .

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pub const RangeNotSatisfiable: Status = _

Status with code 416 .

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pub const ExpectationFailed: Status = _

Status with code 417 .

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pub const ImATeapot: Status = _

Status with code 418 .

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pub const MisdirectedRequest: Status = _

Status with code 421 .

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pub const UnprocessableEntity: Status = _

Status with code 422 .

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pub const Locked: Status = _

Status with code 423 .

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pub const FailedDependency: Status = _

Status with code 424 .

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pub const UpgradeRequired: Status = _

Status with code 426 .

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pub const PreconditionRequired: Status = _

Status with code 428 .

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pub const TooManyRequests: Status = _

Status with code 429 .

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pub const RequestHeaderFieldsTooLarge: Status = _

Status with code 431 .

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pub const UnavailableForLegalReasons: Status = _

Status with code 451 .

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pub const InternalServerError: Status = _

Status with code 500 .

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pub const NotImplemented: Status = _

Status with code 501 .

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pub const BadGateway: Status = _

Status with code 502 .

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pub const ServiceUnavailable: Status = _

Status with code 503 .

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pub const GatewayTimeout: Status = _

Status with code 504 .

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pub const HttpVersionNotSupported: Status = _

Status with code 505 .

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pub const VariantAlsoNegotiates: Status = _

Status with code 506 .

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pub const InsufficientStorage: Status = _

Status with code 507 .

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pub const LoopDetected: Status = _

Status with code 508 .

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pub const NotExtended: Status = _

Status with code 510 .

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pub const NetworkAuthenticationRequired: Status = _

Status with code 511 .

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pub const fn new(code: u16) -> Status

Creates a new Status with code. This should be used only to construct non-standard HTTP statuses. Use an associated constant for standard statuses.

Example

Create a custom 299 status:

use rocket::http::Status;

let custom = Status::new(299);
assert_eq!(custom.code, 299);
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pub const fn class(self) -> StatusClass

Returns the class of a given status.

Example
use rocket::http::{Status, StatusClass};

let processing = Status::Processing;
assert_eq!(processing.class(), StatusClass::Informational);

let ok = Status::Ok;
assert_eq!(ok.class(), StatusClass::Success);

let see_other = Status::SeeOther;
assert_eq!(see_other.class(), StatusClass::Redirection);

let not_found = Status::NotFound;
assert_eq!(not_found.class(), StatusClass::ClientError);

let internal_error = Status::InternalServerError;
assert_eq!(internal_error.class(), StatusClass::ServerError);

let custom = Status::new(600);
assert_eq!(custom.class(), StatusClass::Unknown);
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pub const fn from_code(code: u16) -> Option<Status>

Returns a Status given a standard status code code. If code is not a known status code, None is returned.

Example

Create a Status from a known code:

use rocket::http::Status;

let not_found = Status::from_code(404);
assert_eq!(not_found, Some(Status::NotFound));

Create a Status from an unknown code:

use rocket::http::Status;

let unknown = Status::from_code(600);
assert!(unknown.is_none());
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pub const fn reason(&self) -> Option<&'static str>

Returns the canonical reason phrase if self corresponds to a canonical, known status code. Otherwise, returns None.

Example

Reason phrase from a known code:

use rocket::http::Status;

assert_eq!(Status::Created.reason(), Some("Created"));
assert_eq!(Status::new(200).reason(), Some("OK"));

Absent phrase from an unknown code:

use rocket::http::Status;

assert_eq!(Status::new(499).reason(), None);
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pub const fn reason_lossy(&self) -> &'static str

Returns the canonical reason phrase if self corresponds to a canonical, known status code, or an unspecified but relevant reason phrase otherwise.

Example
use rocket::http::Status;

assert_eq!(Status::NotFound.reason_lossy(), "Not Found");
assert_eq!(Status::new(100).reason_lossy(), "Continue");
assert!(!Status::new(699).reason_lossy().is_empty());

Trait Implementations§

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impl Clone for Status

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fn clone(&self) -> Status

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Status

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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 Default for Status

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fn default() -> Status

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

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fn deserialize<D>( deserializer: D ) -> Result<Status, <D as Deserializer<'de>>::Error>where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Display for Status

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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 Hash for Status

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fn hash<H>(&self, state: &mut H)where H: Hasher,

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<S, E> IntoOutcome<S, (Status, E), Status> for Result<S, E>

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type Failure = Status

The type to use when returning an Outcome::Failure.
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type Forward = Status

The type to use when returning an Outcome::Forward.
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fn into_outcome(self, status: Status) -> Outcome<S, E>

Converts self into an Outcome. If self represents a success, an Outcome::Success is returned. Otherwise, an Outcome::Failure is returned with failure as the inner value.
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fn or_forward(self, status: Status) -> Outcome<S, E>

Converts self into an Outcome. If self represents a success, an Outcome::Success is returned. Otherwise, an Outcome::Forward is returned with forward as the inner value.
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impl Ord for Status

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fn cmp(&self, other: &Status) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Selfwhere Self: Sized + PartialOrd<Self>,

Restrict a value to a certain interval. Read more
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impl PartialEq<Status> for Status

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fn eq(&self, other: &Status) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd<Status> for Status

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fn partial_cmp(&self, other: &Status) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl<'r> Responder<'r, 'static> for Status

The response generated by Status depends on the status code itself. The table below summarizes the functionality:

Status Code RangeResponse
[400, 599]Forwards to catcher for given status.
100, [200, 205]Empty with status of self.
All others.Invalid. Errors to 500 catcher.

In short, a client or server error status codes will forward to the corresponding error catcher, a successful status code less than 206 or 100 responds with any empty body and the given status code, and all other status code emit an error message and forward to the 500 (internal server error) catcher.

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fn respond_to(self, _: &'r Request<'_>) -> Result<'static>

Returns Ok if a Response could be generated successfully. Otherwise, returns an Err with a failing Status. Read more
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impl<'a> Serialize for Status

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fn serialize<S>( &self, serializer: S ) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>where S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl Copy for Status

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impl Eq for Status

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Gets the TypeId of self. Read more
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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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Compare self to key and return their ordering.
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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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Returns the argument unchanged.

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Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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Calls U::from(self).

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fn new(self) -> Painted<Self>where Self: Sized,

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fn paint<S>(&self, style: S) -> Painted<&Self>where S: Into<Style>,

Apply a style wholesale to self. Any previous style is replaced. Read more
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impl<T> Same<T> for T

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type Output = T

Should always be Self
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impl<T> ToOwned for Twhere T: Clone,

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type Owned = T

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> ToString for Twhere T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for Twhere 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 Twhere 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 Twhere 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> DeserializeOwned for Twhere T: for<'de> Deserialize<'de>,