TraceContext.TraceId.from_words: def of bend-trace-context@0.2.0.0
Import: import bend-trace-context@0.2.0.0/trace_context.bend as TraceContext
Lines 781-789 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=781&end_line=789

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

# A trace ID from four words, read most significant first: the first word
# gives the first eight digits. Like a parsed ID it makes no randomness
# assertion; add one with TraceId.assert_random when the words are random. An
# all-zero candidate is None (laws trace_words and words_unasserted).
def TraceId.from_words(first: U32, second: U32, third: U32, fourth: U32) -> Maybe<&2, TraceId>:
  TraceId.from_digits(Digits.NonZero.new(32n,
    Digits.Digits.append(8n, 24n, Digits.Digits.of_u32(first),
      Digits.Digits.append(8n, 16n, Digits.Digits.of_u32(second),
        Digits.Digits.append(8n, 8n, Digits.Digits.of_u32(third), Digits.Digits.of_u32(fourth))))))

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  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=Digits.append
  https://jend.leeeet.dev/definition.txt?path=bend-trace-context@0.2.0.0/src/digits.bend&name=Digits.of_u32
  https://jend.leeeet.dev/definition.txt?path=bend-trace-context@0.2.0.0/src/digits.bend&name=NonZero.new
  https://jend.leeeet.dev/definition.txt?path=bend-trace-context@0.2.0.0/trace_context.bend&name=TraceId
  https://jend.leeeet.dev/definition.txt?path=bend-trace-context@0.2.0.0/trace_context.bend&name=TraceId.from_digits