Trait rustracing::convert::MaybeAsRef

pub trait MaybeAsRef<T: ?Sized> {
    pub fn maybe_as_ref(&self) -> Option<&T>;
}

A cheap reference-to-reference conversion that has a possibility to fail.

Required methods

pub fn maybe_as_ref(&self) -> Option<&T>

Performs the conversion.

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Implementations on Foreign Types

impl<T, U> MaybeAsRef<T> for Option<U> where
    U: MaybeAsRef<T>, 

pub fn maybe_as_ref(&self) -> Option<&T>

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Implementors

impl<T> MaybeAsRef<SpanContext<T>> for Span<T>

pub fn maybe_as_ref(&self) -> Option<&SpanContext<T>>

impl<T> MaybeAsRef<SpanContext<T>> for SpanContext<T>

pub fn maybe_as_ref(&self) -> Option<&Self>

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