public function getRegExpFragment()

in src/request-parameters/EnumRequestParameter.php [42:47]

• 6 lines of code
• 1 McCabe index (conditional complexity)

  public function getRegExpFragment(): ?string {
    $class = $this->enumClass;
    $values = $class::getValues();
    $sub_fragments = Vec\map($values, $value ==> \preg_quote((string) $value));
    return '(?:'.Str\join($sub_fragments, '|').')';
  }