Expand description
Structured data associated with Spans and Events.
Structs
A
Value which serializes as a string using fmt::Debug.A
Value which serializes using fmt::Display.An empty field.
An opaque key allowing O(1) access to a field in a
Span’s key-value
data.Describes the fields present on a span.
An iterator over a set of fields.
A set of fields and values for a span.
Traits
Trait implemented to allow a type to be used as a field key.
A field value of an erased type.
Visits typed values.