maybeWhen<TResult extends Object?> method

  1. @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>(
  1. TResult $default(
    1. String? type,
    2. String? code,
    3. String? decline_code,
    4. String? message,
    5. String? param,
    )?, {
  2. required TResult orElse(),
})

A variant of when that fallback to an orElse callback.

It is equivalent to doing:

switch (sealedClass) {
  case Subclass(:final field):
    return ...;
  case _:
    return orElse();
}

Implementation

@optionalTypeArgs TResult maybeWhen<TResult extends Object?>(TResult Function( String? type,  String? code,  String? decline_code,  String? message,  String? param)?  $default,{required TResult orElse(),}) {final _that = this;
switch (_that) {
case _PaymentElementChangeEvent() when $default != null:
return $default(_that.type,_that.code,_that.decline_code,_that.message,_that.param);case _:
  return orElse();

}
}