Struct hyper::ext::ReasonPhrase

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pub struct ReasonPhrase(_);
Expand description

A reason phrase in an HTTP/1 response.

Clients

For clients, a ReasonPhrase will be present in the extensions of the http::Response returned for a request if the reason phrase is different from the canonical reason phrase for the response’s status code. For example, if a server returns HTTP/1.1 200 Awesome, the ReasonPhrase will be present and contain Awesome, but if a server returns HTTP/1.1 200 OK, the response will not contain a ReasonPhrase.

use hyper::{Client, Uri};
use hyper::ext::ReasonPhrase;

let res = Client::new().get(Uri::from_static("http://example.com/non_canonical_reason")).await?;

// Print out the non-canonical reason phrase, if it has one...
if let Some(reason) = res.extensions().get::<ReasonPhrase>() {
    println!("non-canonical reason: {}", std::str::from_utf8(reason.as_bytes()).unwrap());
}

Servers

When a ReasonPhrase is present in the extensions of the http::Response written by a server, its contents will be written in place of the canonical reason phrase when responding via HTTP/1.

Implementations§

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impl ReasonPhrase

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pub fn as_bytes(&self) -> &[u8]

Gets the reason phrase as bytes.

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pub fn from_static(reason: &'static [u8]) -> Self

Converts a static byte slice to a reason phrase.

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pub unsafe fn from_bytes_unchecked(reason: Bytes) -> Self

Converts a Bytes directly into a ReasonPhrase without validating.

Use with care; invalid bytes in a reason phrase can cause serious security problems if emitted in a response.

Trait Implementations§

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impl AsRef<[u8]> for ReasonPhrase

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fn as_ref(&self) -> &[u8]

Converts this type into a shared reference of the (usually inferred) input type.
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impl Clone for ReasonPhrase

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fn clone(&self) -> ReasonPhrase

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 ReasonPhrase

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

Formats the value using the given formatter. Read more
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impl Hash for ReasonPhrase

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

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 Into<Bytes> for ReasonPhrase

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fn into(self) -> Bytes

Converts this type into the (usually inferred) input type.
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impl Ord for ReasonPhrase

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fn cmp(&self, other: &ReasonPhrase) -> 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<ReasonPhrase> for ReasonPhrase

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fn eq(&self, other: &ReasonPhrase) -> 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<ReasonPhrase> for ReasonPhrase

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fn partial_cmp(&self, other: &ReasonPhrase) -> 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 TryFrom<&[u8]> for ReasonPhrase

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type Error = InvalidReasonPhrase

The type returned in the event of a conversion error.
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fn try_from(reason: &[u8]) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<Bytes> for ReasonPhrase

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type Error = InvalidReasonPhrase

The type returned in the event of a conversion error.
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fn try_from(reason: Bytes) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<String> for ReasonPhrase

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type Error = InvalidReasonPhrase

The type returned in the event of a conversion error.
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fn try_from(reason: String) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<Vec<u8, Global>> for ReasonPhrase

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type Error = InvalidReasonPhrase

The type returned in the event of a conversion error.
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fn try_from(reason: Vec<u8>) -> Result<Self, Self::Error>

Performs the conversion.
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impl Eq for ReasonPhrase

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impl StructuralEq for ReasonPhrase

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impl StructuralPartialEq for ReasonPhrase

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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 Twhere 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> 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, 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<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