whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>({
  1. TResult? open(
    1. DateTime date,
    2. String type,
    3. Account account,
    4. List<String> currencies,
    5. String? bookingMethod,
    6. String? comment,
    7. Map<String, MetaValue> metadata,
    )?,
  2. TResult? close(
    1. DateTime date,
    2. String type,
    3. Account account,
    4. List<String> currencies,
    5. String? bookingMethod,
    6. String? comment,
    7. Map<String, MetaValue> metadata,
    )?,
})
inherited

Implementation

@optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>({
  TResult? Function(
          DateTime date,
          String type,
          Account account,
          List<String> currencies,
          String? bookingMethod,
          String? comment,
          Map<String, MetaValue> metadata)?
      open,
  TResult? Function(
          DateTime date,
          String type,
          Account account,
          List<String> currencies,
          String? bookingMethod,
          String? comment,
          Map<String, MetaValue> metadata)?
      close,
}) =>
    throw _privateConstructorUsedError;