boolean method

RuleArg boolean(
  1. String name, {
  2. bool required = false,
  3. bool? dfault,
})

Implementation

RuleArg boolean(String name, {bool required = false, bool? dfault}) {
  _rules.add((x) {
    _check(x, name: name, type: 'bool', required: required, dfault: dfault);
  });
  return this;
}