| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 pointer |
| |
| // Deref returns the value the pointer points to. If ptr is nil the function returns zero value |
| func Deref[T any](ptr *T) T { |
| if ptr == nil { |
| var zero T |
| return zero |
| } |
| return *ptr |
| } |
| |
| func DerefOr[T any](ptr *T, def T) T { |
| if ptr == nil { |
| return def |
| } |
| return *ptr |
| } |
| |
| // To returns pointer to the passed value |
| func To[T any](t T) *T { |
| return &t |
| } |