pub struct Kind(/* private fields */);
Expand description
Indicates whether the callsite is a span or event.
enabled!
callsite. Subscriber
s can assume
this Kind
means they will never recieve a
full event with this Metadata
.
Return true if the callsite kind is Span
Return true if the callsite kind is Event
Return true if the callsite kind is Hint
Sets that this Kind
is a hint.
This can be called on SPAN
and EVENT
kinds to construct a hint callsite that also counts as a span or event.
Performs copy-assignment from
source
.
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Formats the value using the given formatter.
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This method tests for self
and other
values to be equal, and is used
by ==
.
This method tests for !=
. The default implementation is almost always
sufficient, and should not be overridden without very good reason.
Immutably borrows from an owned value.
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Mutably borrows from an owned value.
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Returns the argument unchanged.
Instruments this type with the provided
Span
, returning an
Instrumented
wrapper.
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Calls U::from(self)
.
That is, this conversion is whatever the implementation of
From<T> for U
chooses to do.
The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning.
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Uses borrowed data to replace owned data, usually by cloning.
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The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.