1/*
2 * Copyright (c) 2023-2024 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
16let o1 = {n: 42, s: "foo"}
17let o2: Object = {n: 42, s: "foo"}
18let o3: object = {n: 42, s: "foo"}
19
20let oo: Object[] = [{n: 1, s: "1"}, {n: 2, s: "2"}]
21
22class C2 {
23    s: string
24    constructor(s: string) {
25        this.s = "s =" + s
26    }
27}
28let o4: C2 = {s: "foo"}
29
30class C3 {
31    readonly n: number = 0
32    readonly s: string = ""
33}
34let o5: C3 = {n: 42, s: "foo"}
35
36abstract class A {}
37let o6: A = {}
38
39class C4 {
40    n: number = 0
41    s: string = ""
42    f() {
43        console.log("Hello")
44    }
45}
46let o7: C4 = {n: 42, s: "foo", f : () => {}}
47
48class Point {
49    x: number = 0
50    y: number = 0
51}
52function id_x_y(o: Point): Point {
53    return o
54}
55
56// Structural typing is used to deduce that p is Point:
57let p = {x: 5, y: 10}
58id_x_y(p)
59
60// A literal can be contextually (i.e., implicitly) typed as Point:
61id_x_y({x: 5, y: 10})