blob: 272b44f043ada1ba51322512b2edbcdfa4791a0e [file] [log] [blame]
/*
* Copyright (C) 2019 The Android Open Source Project
*
* 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 com.android.car
/**
* Identical to [also]. Use to communicate intent of guarding against null. Compatible with
* `?:` (elvis operator) if else block is needed.
*
* Example:
* ```
* array.firstOrNull()?.guard { Log.d(TAG, "$it is guaranteed to not be null here") }
* ```
*
*/
internal inline fun <T> T.guard(block: (T) -> Unit): T {
return this.also(block)
}