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pub struct NoopTracer { /* private fields */ }
Available on crate feature trace only.
Expand description

A no-op instance of a Tracer.

Implementations

Create a new no-op tracer

Trait Implementations

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Formats the value using the given formatter. Read more

Returns the “default value” for a type. Read more

Builds a NoopSpan from a SpanBuilder.

If the span builder or the context’s current span contains a valid span context, it is propagated.

The Span type used by this tracer.

Starts a new Span. Read more

Starts a new Span with a given context. Read more

Creates a span builder. Read more

Start a Span from a SpanBuilder.

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Attaches the provided Context to this type, returning a WithContext wrapper. Read more

Attaches the current Context to this type, returning a WithContext wrapper. Read more

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Returns a trait object so the underlying implementation can be swapped out at runtime.

The resulting type after obtaining ownership.

Creates owned data from borrowed data, usually by cloning. Read more

Uses borrowed data to replace owned data, usually by cloning. Read more

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.