TraceContext.SpanId.from_bytes: def of bend-trace-context@0.2.0.0
Import: import bend-trace-context@0.2.0.0/trace_context.bend as TraceContext
Lines 907-914 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=907&end_line=914

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

# Read a span ID from exactly 8 bytes, most significant first, with the rules
# and errors of TraceId.from_bytes. Laws: span_bytes_inverse,
# span_bytes_short, span_bytes_long, span_bytes_above, zero_bytes and
# span_bytes_accepts.
def SpanId.from_bytes(bytes: List<&2, U32>) -> Result<&2, &2, Error, SpanId>:
  do Result<&2, &2, Error, SpanId>:
    value : Digits.NonZero<16n> <- Parse.id_bytes(8n, bytes, SpanIdField{})
    return SpanId{value}

Uses (10):
  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=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=U32
  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_bytes
  https://jend.leeeet.dev/definition.txt?path=bend-trace-context@0.2.0.0/trace_context.bend&name=SpanId