Preconditions.java
/*
* Copyright 2022 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 androidx.wear.protolayout.expression;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RestrictTo;
import androidx.annotation.RestrictTo.Scope;
/**
* Preconditions for use within this library.
*
*/
@RestrictTo(Scope.LIBRARY_GROUP)
public final class Preconditions {
private Preconditions() {}
@RestrictTo(Scope.LIBRARY_GROUP)
@NonNull
public static <T> T checkNotNull(@Nullable T value) {
if (value == null) {
throw new NullPointerException();
}
return value;
}
}