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
Auto Trait Implementations
impl<'a> RefUnwindSafe for KeyRef<'a>
impl<'a> UnwindSafe for KeyRef<'a>
Blanket Implementations
Mutably borrows from an owned value. Read more
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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;
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;
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fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>
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pub fn vzip(self) -> V
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