mirror of https://github.com/kubernetes/kops.git
48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
/*
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Copyright 2024 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package predicates
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// Predicate is a predicate function for a type.
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type Predicate[T any] func(T) bool
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// AllOf returns a predicate that is true if all of the given predicates are true.
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func AllOf[T any](predicates ...Predicate[T]) Predicate[T] {
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return func(t T) bool {
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for _, predicate := range predicates {
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if !predicate(t) {
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return false
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}
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}
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return true
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}
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}
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// Filter returns a slice of elements that match the predicate.
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func Filter[T any](slice []T, predicate Predicate[T]) []T {
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if predicate == nil {
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return slice
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}
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var result []T
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for _, element := range slice {
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if predicate(element) {
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result = append(result, element)
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}
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}
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return result
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}
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