pub struct AllowHeaders(/* private fields */);
Available on crate feature cors only.
Expand description

Holds configuration for how to set the Access-Control-Allow-Headers header.

See CorsLayer::allow_headers for more details.

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impl AllowHeaders

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pub fn any() -> Self

Allow any headers by sending a wildcard (*)

See CorsLayer::allow_headers for more details.

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pub fn list<I>(headers: I) -> Self
where I: IntoIterator<Item = HeaderName>,

Set multiple allowed headers

See CorsLayer::allow_headers for more details.

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pub fn mirror_request() -> Self

Allow any headers, by mirroring the preflight Access-Control-Request-Headers header.

See CorsLayer::allow_headers for more details.

Trait Implementations§

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impl Clone for AllowHeaders

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fn clone(&self) -> AllowHeaders

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 AllowHeaders

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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 Default for AllowHeaders

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fn default() -> AllowHeaders

Returns the “default value” for a type. Read more
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impl<const N: usize> From<[HeaderName; N]> for AllowHeaders

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fn from(arr: [HeaderName; N]) -> Self

Converts to this type from the input type.
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impl From<Any> for AllowHeaders

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fn from(_: Any) -> Self

Converts to this type from the input type.
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impl From<Vec<HeaderName>> for AllowHeaders

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fn from(vec: Vec<HeaderName>) -> Self

Converts to this type from the input type.

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<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 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<T> PolicyExt for T
where T: ?Sized,

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fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Available on crate feature follow-redirect only.
Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more
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fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Available on crate feature follow-redirect only.
Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
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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<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<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