Struct Neutral

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pub struct Neutral<S> { /* private fields */ }

Expand description

A predicate that always returns Cacheable.

Useful as a starting point for predicate chains or as a no-op predicate.

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impl<S> Neutral<S>

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pub fn new() -> Neutral<S>

Creates a new neutral predicate.

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impl<S> Clone for Neutral<S>
where S: Clone,

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fn clone(&self) -> Neutral<S>

Returns a duplicate 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<S> Debug for Neutral<S>

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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<S> Default for Neutral<S>

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fn default() -> Neutral<S>

Returns the “default value” for a type. Read more

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impl<S> Predicate for Neutral<S>
where S: Send,

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type Subject = S

The type being evaluated by this predicate.

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fn check<'life0, 'async_trait>( &'life0 self, subject: <Neutral<S> as Predicate>::Subject, ) -> Pin<Box<dyn Future<Output = PredicateResult<<Neutral<S> as Predicate>::Subject>> + Send + 'async_trait>>
where 'life0: 'async_trait, Neutral<S>: 'async_trait,

Evaluate whether the subject should be cached. Read more

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impl<S> Copy for Neutral<S>
where S: Copy,

Auto Trait Implementations§

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impl<S> UnwindSafe for Neutral<S>

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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 BodyPredicate for P
where P: Predicate,

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fn body(self, operation: Operation) -> Body

Adds a body matching operation to this predicate chain.

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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> CloneToUninit for T
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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impl<T> DynClone for T
where T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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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 HeaderPredicate for P
where P: Predicate,

Adds a header matching operation to this predicate chain.

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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 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 MethodPredicate for P
where P: Predicate,

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fn method(self, method: Method) -> Method

Adds an HTTP method match to this predicate chain.

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impl PathPredicate for P
where P: Predicate,

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fn path(self, resource: String) -> Path

Adds a path pattern match to this predicate chain. Read more

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impl<T> PredicateExt for T
where T: Predicate,

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fn and<R>(self, right: R) -> And<Self, R>
where R: Predicate<Subject = Self::Subject>,

Combines this predicate with another using AND logic. Read more

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fn or<R>(self, right: R) -> Or<Self, R>
where R: Predicate<Subject = Self::Subject>,

Combines this predicate with another using OR logic. Read more

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fn not(self) -> Not<Self>

Inverts this predicate’s result. Read more

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fn boxed(self) -> Box<dyn Predicate<Subject = Self::Subject> + Sync + Send>
where Self: Send + Sync + 'static,

Boxes this predicate into a trait object. Read more

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impl QueryPredicate for P
where P: Predicate,

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fn query(self, operation: Operation) -> Query

Adds a query parameter match to this predicate chain.

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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 StatusCodePredicate for P
where P: Predicate,

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fn status_code(self, status_code: StatusCode) -> StatusCode

Matches an exact status code.

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fn status_code_in(self, codes: Vec<StatusCode>) -> StatusCode

Matches any of the specified status codes.

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fn status_code_range(self, start: StatusCode, end: StatusCode) -> StatusCode

Matches status codes within a range (inclusive).

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fn status_code_class(self, class: StatusClass) -> StatusCode

Matches all status codes in a class (e.g., all 2xx).

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impl<T> ToOwned for T
where 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 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>::Error>

Performs the conversion.

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impl<T, U> TryInto for T
where U: TryFrom<T>,

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type Error = >::Error

The type returned in the event of a conversion error.

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fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl VersionPredicate for P
where P: Predicate,

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fn version(self, operation: Operation) -> HttpVersion

Adds a version match to this predicate chain.

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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

Neutral

Struct Neutral Copy item path

Implementations§

impl<S> Neutral<S>

pub fn new() -> Neutral<S>

Trait Implementations§

impl<S> Clone for Neutral<S>where S: Clone,

fn clone(&self) -> Neutral<S>

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

impl<S> Debug for Neutral<S>

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

impl<S> Default for Neutral<S>

fn default() -> Neutral<S>

impl<S> Predicate for Neutral<S>where S: Send,

type Subject = S

fn check<'life0, 'async_trait>( &'life0 self, subject: <Neutral<S> as Predicate>::Subject, ) -> Pin<Box<dyn Future<Output = PredicateResult<<Neutral<S> as Predicate>::Subject>> + Send + 'async_trait>>where 'life0: 'async_trait, Neutral<S>: 'async_trait,

impl<S> Copy for Neutral<S>where S: Copy,

Auto Trait Implementations§

impl<S> Freeze for Neutral<S>

impl<S> RefUnwindSafe for Neutral<S>

impl<S> Send for Neutral<S>

impl<S> Sync for Neutral<S>

impl<S> Unpin for Neutral<S>

impl<S> UnwindSafe for Neutral<S>

Blanket Implementations§

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<P> BodyPredicate for Pwhere P: Predicate,

fn body(self, operation: Operation) -> Body<P>

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> CloneToUninit for Twhere T: Clone,

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

impl<T> DynClone for Twhere T: Clone,

fn __clone_box(&self, _: Private) -> *mut ()

impl<T> From<T> for T

fn from(t: T) -> T

impl<P> HeaderPredicate for Pwhere P: Predicate,

fn header(self, operation: Operation) -> Header<P>

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<P> MethodPredicate for Pwhere P: Predicate,

fn method(self, method: Method) -> Method<P>

impl<P> PathPredicate for Pwhere P: Predicate,

fn path(self, resource: String) -> Path<P>

impl<T> PredicateExt for Twhere T: Predicate,

fn and<R>(self, right: R) -> And<Self, R>where R: Predicate<Subject = Self::Subject>,

fn or<R>(self, right: R) -> Or<Self, R>where R: Predicate<Subject = Self::Subject>,

fn not(self) -> Not<Self>

fn boxed(self) -> Box<dyn Predicate<Subject = Self::Subject> + Sync + Send>where Self: Send + Sync + 'static,

impl<P> QueryPredicate for Pwhere P: Predicate,

fn query(self, operation: Operation) -> Query<P>

impl<T> Same for T

type Output = T

impl<P> StatusCodePredicate for Pwhere P: Predicate,

fn status_code(self, status_code: StatusCode) -> StatusCode<P>

fn status_code_in(self, codes: Vec<StatusCode>) -> StatusCode<P>

fn status_code_range(self, start: StatusCode, end: StatusCode) -> StatusCode<P>

fn status_code_class(self, class: StatusClass) -> StatusCode<P>

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<P> VersionPredicate for Pwhere P: Predicate,

fn version(self, operation: Operation) -> HttpVersion<P>

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>

Struct Neutral

impl<S> Clone for Neutral<S>
where S: Clone,

impl<S> Predicate for Neutral<S>
where S: Send,

fn check<'life0, 'async_trait>( &'life0 self, subject: <Neutral<S> as Predicate>::Subject, ) -> Pin<Box<dyn Future<Output = PredicateResult<<Neutral<S> as Predicate>::Subject>> + Send + 'async_trait>>
where 'life0: 'async_trait, Neutral<S>: 'async_trait,

impl<S> Copy for Neutral<S>
where S: Copy,

impl<T> Any for T
where T: 'static + ?Sized,

impl<P> BodyPredicate for P
where P: Predicate,

impl<T> Borrow<T> for T
where T: ?Sized,

impl<T> BorrowMut<T> for T
where T: ?Sized,

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

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

impl<P> HeaderPredicate for P
where P: Predicate,

impl<T, U> Into<U> for T
where U: From<T>,

impl<P> MethodPredicate for P
where P: Predicate,

impl<P> PathPredicate for P
where P: Predicate,

impl<T> PredicateExt for T
where T: Predicate,

fn and<R>(self, right: R) -> And<Self, R>
where R: Predicate<Subject = Self::Subject>,

fn or<R>(self, right: R) -> Or<Self, R>
where R: Predicate<Subject = Self::Subject>,

fn boxed(self) -> Box<dyn Predicate<Subject = Self::Subject> + Sync + Send>
where Self: Send + Sync + 'static,

impl<P> QueryPredicate for P
where P: Predicate,

impl<P> StatusCodePredicate for P
where P: Predicate,

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

impl<T, U> TryFrom<U> for T
where U: Into<T>,

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

impl<P> VersionPredicate for P
where P: Predicate,

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,