TraceContext.Utf8.length: def of bend-trace-context@0.2.0.0
Import: import bend-trace-context@0.2.0.0/trace_context.bend as TraceContext
Lines 2006-2015 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=2006&end_line=2015

import Base

# The UTF-8 octets of a text, in which the laws state every budget. Emission
# measures keys and values with it, at most 256 characters each; parsing
# measures received text with Utf8.left instead, which stops counting past
# the budget.
def Utf8.length(text: String) -> Nat:
  match text:
    case SNil{}:
      0n
    case SCon{char, tail}:
      Nat.add(Utf8.width(char), Utf8.length(tail))

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  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/trace_context.bend&name=Utf8.width