KmTypeExt.kt

/*
 * Copyright 2020 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.room.compiler.processing.javac

import androidx.room.compiler.processing.XNullability
import androidx.room.compiler.processing.javac.kotlin.KmType

internal val KmType.nullability: XNullability
    get() = if (isNullable()) {
        XNullability.NULLABLE
    } else {
        // if there is an upper bound information, use its nullability (e.g. it might be T : Foo?)
        extendsBound?.nullability ?: XNullability.NONNULL
    }