canonicalize function

String canonicalize(
  1. String fsw
)

See the library-level note above. Canonicalizes each whitespace-separated sign in fsw independently.

Implementation

String canonicalize(String fsw) {
  if (!_isAscii(fsw)) {
    throw ArgumentError(
        'canonicalize expects ASCII FSW; convert SWU input via swu2fsw first');
  }
  return fsw
      .split(RegExp(r'\s+'))
      .where((s) => s.isNotEmpty)
      .map(_canonicalizeSign)
      .join(' ');
}