TraceContext.StateValue.is_valid: def of bend-trace-context@0.2.0.0
Import: import bend-trace-context@0.2.0.0/trace_context.bend as TraceContext
Lines 1789-1796 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=1789&end_line=1796

import Base

# value = 0*255( chr ) nblk-chr: 1 to 256 printable ASCII characters other
# than "," and "=", the last of which is not a space (W3C 3.3.2.2.2).
def StateValue.is_valid(text: String) -> Bool:
  match text:
    case SNil{}:
      False{}
    case SCon{char, tail}:
      StateValue.valid.go(tail, char, 255n)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  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=StateValue.valid.go