1 reference to s_validTraceStateChars
System.Diagnostics.DiagnosticSource (1)
System\Diagnostics\W3CPropagator.cs (1)
435private static bool IsInvalidTraceStateKey(ReadOnlySpan<char> key) => key.IsEmpty || ((uint)('z' - key[0]) > (uint)('z' - 'a') && (uint)('9' - key[0]) > (uint)('9' - '0')) || key.ContainsAnyExcept(s_validTraceStateChars);