node_exporter/collector/utils/utils.go

// Copyright 2024 The Prometheus Authors
// 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 utils

func SafeDereference[T any](s ...*T) []T {
	var resolved []T
	for _, v := range s {
		if v != nil {
			resolved = append(resolved, *v)
		} else {
			var zeroValue T
			resolved = append(resolved, zeroValue)
		}
	}
	return resolved
}