JoinedKey.kt

/*
 * Copyright 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 androidx.compose.runtime

@Suppress("EqualsOrHashCode")
internal data class JoinedKey(
    val left: Any?,
    val right: Any?
) {
    override fun hashCode(): Int = hashCodeOf(left) * 31 + hashCodeOf(right)

    private fun hashCodeOf(value: Any?) =
        if (value is Enum<*>) value.ordinal else value?.hashCode() ?: 0
}