1/* 2 * Copyright (c) 2025 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16class A { 17 field_: string = ""; 18} 19 20get field(this: A): string { return this.field_ } 21set field(this: A, v: string) { this.field_ = v } 22 23function foo(this: A, s: string): string { 24 this.field = s; 25 return this.field + " accessor with receiver in extension function" 26} 27 28function boo(a: A, s: string): string { 29 a.field = s; 30 return a.field + " accessor with receiver in normal function" 31} 32 33function main(): void { 34 let a = new A(); 35 assertEQ(a.foo("call"), "call accessor with receiver in extension function") 36 assertEQ(foo(a, "call"), "call accessor with receiver in extension function") 37 assertEQ(boo(a, "call"), "call accessor with receiver in normal function") 38}