1425bb815Sopenharmony_ci/* Copyright JS Foundation and other contributors, http://js.foundation 2425bb815Sopenharmony_ci * 3425bb815Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 4425bb815Sopenharmony_ci * you may not use this file except in compliance with the License. 5425bb815Sopenharmony_ci * You may obtain a copy of the License at 6425bb815Sopenharmony_ci * 7425bb815Sopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 8425bb815Sopenharmony_ci * 9425bb815Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software 10425bb815Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS 11425bb815Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12425bb815Sopenharmony_ci * See the License for the specific language governing permissions and 13425bb815Sopenharmony_ci * limitations under the License. 14425bb815Sopenharmony_ci */ 15425bb815Sopenharmony_ci 16425bb815Sopenharmony_civar calculatorMixin = Base => class extends Base { 17425bb815Sopenharmony_ci f () { 18425bb815Sopenharmony_ci return 1; 19425bb815Sopenharmony_ci } 20425bb815Sopenharmony_ci}; 21425bb815Sopenharmony_ci 22425bb815Sopenharmony_civar randomizerMixin = Base => class extends Base { 23425bb815Sopenharmony_ci g () { 24425bb815Sopenharmony_ci return 2; 25425bb815Sopenharmony_ci } 26425bb815Sopenharmony_ci}; 27425bb815Sopenharmony_ci 28425bb815Sopenharmony_ciclass A { 29425bb815Sopenharmony_ci constructor () { } 30425bb815Sopenharmony_ci} 31425bb815Sopenharmony_ci 32425bb815Sopenharmony_ciclass B extends calculatorMixin (randomizerMixin (A)) { 33425bb815Sopenharmony_ci 34425bb815Sopenharmony_ci} 35425bb815Sopenharmony_ci 36425bb815Sopenharmony_civar b = new B (); 37425bb815Sopenharmony_ciassert (b.f () === 1) 38425bb815Sopenharmony_ciassert (b.g () === 2); 39