TraceContext.SpanId.parse: def of bend-trace-context@0.2.0.0
Import: import bend-trace-context@0.2.0.0/trace_context.bend as TraceContext
Lines 565-570 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=565&end_line=570

import Base
import bend-trace-context@0.2.0.0/src/digits.bend as Digits

# Parse a supplied span ID: exactly 16 lowercase hexadecimal digits, not all
# zero (laws span_id_parse and span_id_roundtrip).
def SpanId.parse(text: String) -> Result<&2, &2, Error, SpanId>:
  do Result<&2, &2, Error, SpanId>:
    value : Digits.NonZero<16n> <- Parse.id(16n, text, SpanIdField{})
    return SpanId{value}

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result.bind
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result.pure
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=bend-trace-context@0.2.0.0/src/digits.bend&name=NonZero
  https://jend.leeeet.dev/definition.txt?path=bend-trace-context@0.2.0.0/trace_context.bend&name=Error
  https://jend.leeeet.dev/definition.txt?path=bend-trace-context@0.2.0.0/trace_context.bend&name=Field
  https://jend.leeeet.dev/definition.txt?path=bend-trace-context@0.2.0.0/trace_context.bend&name=Parse.id
  https://jend.leeeet.dev/definition.txt?path=bend-trace-context@0.2.0.0/trace_context.bend&name=SpanId