1 /* 2 * Copyright 2020 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package androidx.compose.runtime.internal 18 19 import androidx.compose.runtime.ComposeCompilerApi 20 21 /** 22 * This annotation is added on classes by the compiler when their stability is inferred. It 23 * indicates that there will be a synthetic static final int `$stable` added to the class which can 24 * be used by the compose compiler plugin to generate expressions to determine the stability of a 25 * realized type at runtime. 26 * 27 * @param parameters A bitmask, with one bit per type parameter of the annotated class. A 1 bit 28 * indicates that the stability of the annotated class should be calculated as a combination of 29 * the stability of the class itself and the stability of that type parameter. 30 */ 31 @ComposeCompilerApi 32 @Target(AnnotationTarget.CLASS) 33 @Retention(AnnotationRetention.BINARY) 34 annotation class StabilityInferred(val parameters: Int) 35