[−][src]Struct actix_web::dev::Extensions
A type map of request extensions.
Implementations
impl Extensions
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pub fn new() -> Extensions
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Create an empty Extensions
.
pub fn insert<T>(&mut self, val: T) where
T: 'static,
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T: 'static,
Insert a type into this Extensions
.
If a extension of this type already existed, it will be returned.
pub fn contains<T>(&self) -> bool where
T: 'static,
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T: 'static,
Check if container contains entry
pub fn get<T>(&self) -> Option<&T> where
T: 'static,
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T: 'static,
Get a reference to a type previously inserted on this Extensions
.
pub fn get_mut<T>(&mut self) -> Option<&mut T> where
T: 'static,
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T: 'static,
Get a mutable reference to a type previously inserted on this Extensions
.
pub fn remove<T>(&mut self) -> Option<T> where
T: 'static,
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T: 'static,
Remove a type from this Extensions
.
If a extension of this type existed, it will be returned.
pub fn clear(&mut self)
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Clear the Extensions
of all inserted extensions.
pub fn extend(&mut self, other: Extensions)
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Extends self with the items from another Extensions
.
Trait Implementations
Auto Trait Implementations
impl !RefUnwindSafe for Extensions
impl !Send for Extensions
impl !Sync for Extensions
impl Unpin for Extensions
impl !UnwindSafe for Extensions
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T> Instrument for T
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pub fn instrument(self, span: Span) -> Instrumented<Self>
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pub fn in_current_span(self) -> Instrumented<Self>
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impl<T> Instrument for T
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pub fn instrument(self, span: Span) -> Instrumented<Self>
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pub fn in_current_span(self) -> Instrumented<Self>
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> Same<T> for T
type Output = T
Should always be Self
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,