blob: 1a4ea51306b87bb6dcda08f97787771a4c889da3 [file] [log] [blame]
/*
* 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
}