TraceState class

Representation of the state of a trace.

See W3C documentation: https://www.w3.org/TR/trace-context/#tracestate-header

Implemented types

• TraceState

Constructors

TraceState.empty()

TraceState.fromString(String traceState)

Properties

hashCode → int

The hash code for this object.

no setter, inherited

isEmpty → bool

Whether this TraceState is empty.

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

size → int

The number of key/value pairs contained in this TraceState.

no setter, override

Methods

get(String key) → String?

Retrieve a value from the TraceState for a given key.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

put(String key, String value) → void

Adds a key value pair to the TraceState.

override

remove(String key) → void

Removes a key value pair from the TraceState.

override

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Properties

validKeyRegex → RegExp

final

validValueRegex → RegExp

final

Static Methods

getDefault() → TraceState