Tries to read a Context entry from the medium.
Tries to read a Context entry from the medium. If a Context entry is successfully read, implementations must return an updated Context instance that includes such entry. If no entry could be read simply return the Context instance that was passed in, unchanged.
Tries to write an entry from the provided Context into the medium.
Tries to write an entry from the provided Context into the medium.
Defines a bare bones binary context propagation that uses Colfer [1] as the serialization library. The Schema for the Span data is simply defined as:
type Span struct { traceID binary spanID binary parentID binary samplingDecision uint8 }