Struct tracing_core::span::Record

pub struct Record<'a> {
    values: &'a ValueSet<'a>,
}

A set of fields recorded by a span.

Fields

values: &'a ValueSet<'a>

Implementations

impl<'a> Record<'a>

pub fn new(values: &'a ValueSet<'a>) -> Self

Constructs a new Record from a ValueSet.

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

Records all the fields in this Record with the provided Visitor.

pub fn len(&self) -> usize

Returns the number of fields that would be visited from this Record when Record::record() is called

pub fn contains(&self, field: &Field) -> bool

Returns true if this Record contains a value for the given Field.

pub fn is_empty(&self) -> bool

Returns true if this Record contains no values.

Trait Implementations

impl<'a> Debug for Record<'a>

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

Formats the value using the given formatter.