def Extract.parents

bend-trace-context@0.2.0.0 · trace_context.bend:3015

import Base

3015# The extraction of a message with these traceparent and tracestate field
3016# values.
3017def Extract.parents(+limits: Limits, parents: List<&2, String>, +states: List<&2, String>,
3018  base: Maybe<&2, BaseContext>) -> Extraction:
3019  match parents:
3020    case Nil{}:
3021      Extract.kept(base, TraceParentAbsent{}, states)
3022    case Con{+value, Nil{}}:
3023      Extract.read(TraceParent.read(limits, value), value, limits, states, base)
3024    case Con{first, Con{second, more}}:
3025      Extract.kept(base, TraceParentRejected{RepeatedTraceParent{}}, states)