EitherTuple4Ops<E, T1, T2, T3, T4>

extension EitherTuple4Ops<E, T1, T2, T3, T4> on Either<E, Record>

Provides additional functions on an Either where the right value is a 4 element tuple.

Methods

ensureN() extension

Either<E, Record> ensureN(
  bool Function(T1, T2, T3, T4) p,
  E Function() onFailure,
)

Available on Either<A, B>, provided by the EitherTuple4Ops<E, T1, T2, T3, T4> extension

Implementation

Either<E, (T1, T2, T3, T4)> ensureN(
  Function4<T1, T2, T3, T4, bool> p,
  Function0<E> onFailure,
) => ensure(p.tupled, onFailure);

filterOrElseN() extension

Either<E, Record> filterOrElseN(
  bool Function(T1, T2, T3, T4) p,
  E Function() zero,
)

Available on Either<A, B>, provided by the EitherTuple4Ops<E, T1, T2, T3, T4> extension

Implementation

Either<E, (T1, T2, T3, T4)> filterOrElseN(
  Function4<T1, T2, T3, T4, bool> p,
  Function0<E> zero,
) => filterOrElse(p.tupled, zero);

flatMapN() extension

Either<E, T5> flatMapN<T5>(Either<E, T5> Function(T1, T2, T3, T4) f)

Available on Either<A, B>, provided by the EitherTuple4Ops<E, T1, T2, T3, T4> extension

Implementation

Either<E, T5> flatMapN<T5>(Function4<T1, T2, T3, T4, Either<E, T5>> f) => flatMap(f.tupled);

foldN() extension

T5 foldN<T5>(T5 Function(E) f, T5 Function(T1, T2, T3, T4) g)

Available on Either<A, B>, provided by the EitherTuple4Ops<E, T1, T2, T3, T4> extension

Implementation

T5 foldN<T5>(
  Function1<E, T5> f,
  Function4<T1, T2, T3, T4, T5> g,
) => fold(f, g.tupled);

foreachN() extension

void foreachN(void Function(T1, T2, T3, T4) f)

Available on Either<A, B>, provided by the EitherTuple4Ops<E, T1, T2, T3, T4> extension

Implementation

void foreachN(Function4<T1, T2, T3, T4, void> f) => foreach(f.tupled);

mapN() extension

Either<E, T5> mapN<T5>(T5 Function(T1, T2, T3, T4) f)

Available on Either<A, B>, provided by the EitherTuple4Ops<E, T1, T2, T3, T4> extension

Implementation

Either<E, T5> mapN<T5>(Function4<T1, T2, T3, T4, T5> f) => map(f.tupled);