Tuple4ValidatedNelOps<E, T1, T2, T3, T4>

extension Tuple4ValidatedNelOps<E, T1, T2, T3, T4> on Record

Provides additional functions on tuple with 4 ValidatedNels.

Properties

tupled extension no setter

ValidatedNel<NonEmptyIList<E>, Record> get tupled

If all items of this tuple are a Valid, the respective items are turned into a tuple and returned as a ValidatedNel. If any item is an Invalid, the accumulation of all Invalid instances is returned.

Available on Record, provided by the Tuple4ValidatedNelOps<E, T1, T2, T3, T4> extension

Implementation

ValidatedNel<E, (T1, T2, T3, T4)> get tupled =>
    init.tupled.product(last).map((t) => t.$1.appended(t.$2));

Methods

mapN() extension

ValidatedNel<NonEmptyIList<E>, T5> mapN<T5>(T5 Function(T1, T2, T3, T4) fn)

Applies fn to the values of each respective tuple member if all values are a Valid. If any item is an Invalid, the accumulation of all Invalid instances is returned.

Available on Record, provided by the Tuple4ValidatedNelOps<E, T1, T2, T3, T4> extension

Implementation

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