TraceContext.Scan.state: def of bend-trace-context@0.2.0.0
Import: import bend-trace-context@0.2.0.0/trace_context.bend as TraceContext
Lines 2251-2261 of bend-trace-context@0.2.0.0/trace_context.bend: https://jend.leeeet.dev/read.txt?path=bend-trace-context@0.2.0.0/trace_context.bend&start_line=2251&end_line=2261

import Base

# The scan keeps only the first entry of each key and stops at a 33rd member,
# so this check is not expected to fail: the laws prove it passes for
# normalized values, and the corpus exercises the rest. A failure would be
# reported as too many members.
def Scan.state(entries: List<&2, StateEntry>, valid: Bool,
  evidence: {TraceState.is_valid(entries) == valid : Bool}) -> Result<&2, &2, StateError, TraceState>:
  match valid:
    case True{}:
      Done{TraceState{entries, evidence}}
    case False{}:
      Fail{TooManyMembers{}}

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=bend-trace-context@0.2.0.0/trace_context.bend&name=StateEntry
  https://jend.leeeet.dev/definition.txt?path=bend-trace-context@0.2.0.0/trace_context.bend&name=StateError
  https://jend.leeeet.dev/definition.txt?path=bend-trace-context@0.2.0.0/trace_context.bend&name=TraceState
  https://jend.leeeet.dev/definition.txt?path=bend-trace-context@0.2.0.0/trace_context.bend&name=TraceState.is_valid