// 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 predicate func Not[A any](predicate func(A) bool) func(A) bool { return func(a A) bool { return !predicate(a) } } // And creates a predicate that combines other predicates via && func And[A any](second func(A) bool) func(func(A) bool) func(A) bool { return func(first func(A) bool) func(A) bool { return func(a A) bool { return first(a) && second(a) } } } // Or creates a predicate that combines other predicates via || func Or[A any](second func(A) bool) func(func(A) bool) func(A) bool { return func(first func(A) bool) func(A) bool { return func(a A) bool { return first(a) || second(a) } } }