/*
 * Copyright (c) 2024 Huawei Device Co., Ltd.
 * 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.
 */

class B<T> {
    a: T;
    constructor(a: T) {
        this.a = a;
    }
}

class A<T> {
    b: B<T>;
    constructor(b: B<T>) {
        this.b = b;
    }
}

class Z {
    c: byte = 12;
}

function main(): void {
    let d: A<Z> = new A<Z>(new B<Z>(new Z()));
    d.b.a.c = 127;
}

/* @@? 30:5 Warning Warning: Variable 'd' is used before being assigned.  */
/* @@? 1:1 Error TypeError: There were errors during assign analysis (1)  */