1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
//// [getSetAccessorContextualTyping.ts]
// In the body of a get accessor with no return type annotation,
// if a matching set accessor exists and that set accessor has a parameter type annotation,
// return expressions are contextually typed by the type given in the set accessor's parameter type annotation.
class C {
set X(x: number) { }
get X() {
return "string"; // Error; get contextual type by set accessor parameter type annotation
}
set Y(y) { }
get Y() {
return true;
}
set W(w) { }
get W(): boolean {
return true;
}
set Z(z: number) { }
get Z() {
return 1;
}
}
//// [getSetAccessorContextualTyping.js]
// In the body of a get accessor with no return type annotation,
// if a matching set accessor exists and that set accessor has a parameter type annotation,
// return expressions are contextually typed by the type given in the set accessor's parameter type annotation.
var C = /** @class */ (function () {
function C() {
}
Object.defineProperty(C.prototype, "X", {
get: function () {
return "string"; // Error; get contextual type by set accessor parameter type annotation
},
set: function (x) { },
enumerable: true,
configurable: true
});
Object.defineProperty(C.prototype, "Y", {
get: function () {
return true;
},
set: function (y) { },
enumerable: true,
configurable: true
});
Object.defineProperty(C.prototype, "W", {
get: function () {
return true;
},
set: function (w) { },
enumerable: true,
configurable: true
});
Object.defineProperty(C.prototype, "Z", {
get: function () {
return 1;
},
set: function (z) { },
enumerable: true,
configurable: true
});
return C;
}());
|
