equal static method

FormFieldValidator<String> equal(
  1. int len
)

Implementation

static FormFieldValidator<String> equal(int len ){

  String error_text = "Missed";

  return ( text ) {

    if ( ToolsValidation.isEmpty( text) == false ) {
      return error_text;
    }

    //equal
    if (   text!.length != len ) {
      return error_text;
    }

    return null;
  };
}