Struct tracing_core::field::ValueSet

pub struct ValueSet<'a> { /* private fields */ }

A set of fields and values for a span.

Implementations

impl<'a> ValueSet<'a>

pub fn callsite(&self) -> Identifier

Returns an Identifier that uniquely identifies the Callsite defining the fields this ValueSet refers to.

pub fn record(&self, visitor: &mut dyn Visit)

Visits all the fields in this ValueSet with the provided visitor.

pub fn len(&self) -> usize

Returns the number of fields in this ValueSet that would be visited by a given visitor to the ValueSet::record() method.

pub fn is_empty(&self) -> bool

Returns true if this ValueSet contains no values.

Trait Implementations

impl<'a> Debug for ValueSet<'a>

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

Formats the value using the given formatter.

impl<'a> Display for ValueSet<'a>

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

Formats the value using the given formatter.

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 24 bytes