Enum tonic::metadata::KeyRef[−][src]

pub enum KeyRef<'a> {
    Ascii(&'a MetadataKey<Ascii>),
    Binary(&'a MetadataKey<Binary>),
}

Expand description

Reference to a key in a MetadataMap. It can point to either an ascii or a binary (“*-bin”) key.

Variants

Ascii(&'a MetadataKey<Ascii>)

An ascii metadata key and value.

Binary(&'a MetadataKey<Binary>)

A binary metadata key and value.

Trait Implementations

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impl<'a> Debug for KeyRef<'a>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations

impl<'a> RefUnwindSafe for KeyRef<'a>

impl<'a> Send for KeyRef<'a>

impl<'a> Sync for KeyRef<'a>

impl<'a> Unpin for KeyRef<'a>

impl<'a> UnwindSafe for KeyRef<'a>

Blanket Implementations

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

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pub 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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pub 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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pub 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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pub fn from(t: T) -> T

Performs the conversion.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>
impl<T> Future for Instrumented<T> where
    T: Future,     type Output = <T as Future>::Output;

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>
impl<T> Future for Instrumented<T> where
    T: Future,     type Output = <T as Future>::Output;

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>
impl<T> Future for Instrumented<T> where
    T: Future,     type Output = <T as Future>::Output;

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>
impl<T> Future for Instrumented<T> where
    T: Future,     type Output = <T as Future>::Output;

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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pub fn into(self) -> U

Performs the conversion.

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

type Error = Infallible

The type returned in the event of a conversion error.

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pub 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>,

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

The type returned in the event of a conversion error.

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

Performs the conversion.

impl<V, T> VZip<V> for T where
    V: MultiLane<T>,

pub 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>ⓘNotable traits for WithDispatch<T>
impl<T> Future for WithDispatch<T> where
    T: Future,     type Output = <T as Future>::Output; 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>ⓘNotable traits for WithDispatch<T>
impl<T> Future for WithDispatch<T> where
    T: Future,     type Output = <T as Future>::Output;

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more