// 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 ( Mo "github.com/IBM/fp-go/monoid" G "github.com/IBM/fp-go/record/generic" ) // Bind creates an empty context of type [S] to be used with the [Bind] operation func Do[K comparable, S any]() map[K]S { return G.Do[map[K]S, K, S]() } // Bind attaches the result of a computation to a context [S1] to produce a context [S2] func Bind[S1, T any, K comparable, S2 any](m Mo.Monoid[map[K]S2]) func(setter func(T) func(S1) S2, f func(S1) map[K]T) func(map[K]S1) map[K]S2 { return G.Bind[map[K]S1, map[K]S2, map[K]T, K, S1, S2, T](m) } // Let attaches the result of a computation to a context [S1] to produce a context [S2] func Let[S1, T any, K comparable, S2 any]( setter func(T) func(S1) S2, f func(S1) T, ) func(map[K]S1) map[K]S2 { return G.Let[map[K]S1, map[K]S2, K, S1, S2, T](setter, f) } // LetTo attaches the a value to a context [S1] to produce a context [S2] func LetTo[S1, T any, K comparable, S2 any]( setter func(T) func(S1) S2, b T, ) func(map[K]S1) map[K]S2 { return G.LetTo[map[K]S1, map[K]S2, K, S1, S2, T](setter, b) } // BindTo initializes a new state [S1] from a value [T] func BindTo[S1, T any, K comparable](setter func(T) S1) func(map[K]T) map[K]S1 { return G.BindTo[map[K]S1, map[K]T, K, S1, T](setter) } // ApS attaches a value to a context [S1] to produce a context [S2] by considering the context and the value concurrently func ApS[S1, T any, K comparable, S2 any](m Mo.Monoid[map[K]S2]) func(setter func(T) func(S1) S2, fa map[K]T) func(map[K]S1) map[K]S2 { return G.ApS[map[K]S1, map[K]S2, map[K]T, K, S1, S2, T](m) }