// 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 record import ( L "github.com/IBM/fp-go/optics/lens" G "github.com/IBM/fp-go/optics/lens/record/generic" O "github.com/IBM/fp-go/option" ) // AtRecord returns a lens that focusses on a value in a record func AtRecord[V any, K comparable](key K) L.Lens[map[K]V, O.Option[V]] { return G.AtRecord[map[K]V](key) } // AtKey returns a `Lens` focused on a required key of a `ReadonlyRecord` func AtKey[S any, V any, K comparable](key K) func(sa L.Lens[S, map[K]V]) L.Lens[S, O.Option[V]] { return G.AtKey[map[K]V, S](key) }