// Copyright (c) 2023 IBM Corp. // All rights reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package generic import ( F "github.com/IBM/fp-go/function" O "github.com/IBM/fp-go/option" P "github.com/IBM/fp-go/pair" ) // Last returns the last item in an iterator if such an item exists func Last[GU ~func() O.Option[P.Pair[GU, U]], U any](mu GU) O.Option[U] { return reduce(mu, F.Ignore1of2[O.Option[U]](O.Of[U]), O.None[U]()) }