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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
=== tests/cases/compiler/inferenceOptionalProperties.ts ===
declare function test<T>(x: { [key: string]: T }): T;
>test : Symbol(test, Decl(inferenceOptionalProperties.ts, 0, 0))
>T : Symbol(T, Decl(inferenceOptionalProperties.ts, 0, 22))
>x : Symbol(x, Decl(inferenceOptionalProperties.ts, 0, 25))
>key : Symbol(key, Decl(inferenceOptionalProperties.ts, 0, 31))
>T : Symbol(T, Decl(inferenceOptionalProperties.ts, 0, 22))
>T : Symbol(T, Decl(inferenceOptionalProperties.ts, 0, 22))
declare let x1: { a?: string, b?: number };
>x1 : Symbol(x1, Decl(inferenceOptionalProperties.ts, 2, 11))
>a : Symbol(a, Decl(inferenceOptionalProperties.ts, 2, 17))
>b : Symbol(b, Decl(inferenceOptionalProperties.ts, 2, 29))
declare let x2: { a?: string, b?: number | undefined };
>x2 : Symbol(x2, Decl(inferenceOptionalProperties.ts, 3, 11))
>a : Symbol(a, Decl(inferenceOptionalProperties.ts, 3, 17))
>b : Symbol(b, Decl(inferenceOptionalProperties.ts, 3, 29))
const y1 = test(x1);
>y1 : Symbol(y1, Decl(inferenceOptionalProperties.ts, 5, 5))
>test : Symbol(test, Decl(inferenceOptionalProperties.ts, 0, 0))
>x1 : Symbol(x1, Decl(inferenceOptionalProperties.ts, 2, 11))
const y2 = test(x2);
>y2 : Symbol(y2, Decl(inferenceOptionalProperties.ts, 6, 5))
>test : Symbol(test, Decl(inferenceOptionalProperties.ts, 0, 0))
>x2 : Symbol(x2, Decl(inferenceOptionalProperties.ts, 3, 11))
var v1: Required<{ a?: string, b?: number }>;
>v1 : Symbol(v1, Decl(inferenceOptionalProperties.ts, 8, 3), Decl(inferenceOptionalProperties.ts, 9, 3))
>Required : Symbol(Required, Decl(lib.es5.d.ts, --, --))
>a : Symbol(a, Decl(inferenceOptionalProperties.ts, 8, 18))
>b : Symbol(b, Decl(inferenceOptionalProperties.ts, 8, 30))
var v1: { a: string, b: number };
>v1 : Symbol(v1, Decl(inferenceOptionalProperties.ts, 8, 3), Decl(inferenceOptionalProperties.ts, 9, 3))
>a : Symbol(a, Decl(inferenceOptionalProperties.ts, 9, 9))
>b : Symbol(b, Decl(inferenceOptionalProperties.ts, 9, 20))
var v2: Required<{ a?: string, b?: number | undefined }>;
>v2 : Symbol(v2, Decl(inferenceOptionalProperties.ts, 11, 3), Decl(inferenceOptionalProperties.ts, 12, 3))
>Required : Symbol(Required, Decl(lib.es5.d.ts, --, --))
>a : Symbol(a, Decl(inferenceOptionalProperties.ts, 11, 18))
>b : Symbol(b, Decl(inferenceOptionalProperties.ts, 11, 30))
var v2: { a: string, b: number | undefined };
>v2 : Symbol(v2, Decl(inferenceOptionalProperties.ts, 11, 3), Decl(inferenceOptionalProperties.ts, 12, 3))
>a : Symbol(a, Decl(inferenceOptionalProperties.ts, 12, 9))
>b : Symbol(b, Decl(inferenceOptionalProperties.ts, 12, 20))
var v3: Partial<{ a: string, b: string }>;
>v3 : Symbol(v3, Decl(inferenceOptionalProperties.ts, 14, 3), Decl(inferenceOptionalProperties.ts, 15, 3))
>Partial : Symbol(Partial, Decl(lib.es5.d.ts, --, --))
>a : Symbol(a, Decl(inferenceOptionalProperties.ts, 14, 17))
>b : Symbol(b, Decl(inferenceOptionalProperties.ts, 14, 28))
var v3: { a?: string, b?: string };
>v3 : Symbol(v3, Decl(inferenceOptionalProperties.ts, 14, 3), Decl(inferenceOptionalProperties.ts, 15, 3))
>a : Symbol(a, Decl(inferenceOptionalProperties.ts, 15, 9))
>b : Symbol(b, Decl(inferenceOptionalProperties.ts, 15, 21))
var v4: Partial<{ a: string, b: string | undefined }>;
>v4 : Symbol(v4, Decl(inferenceOptionalProperties.ts, 17, 3), Decl(inferenceOptionalProperties.ts, 18, 3))
>Partial : Symbol(Partial, Decl(lib.es5.d.ts, --, --))
>a : Symbol(a, Decl(inferenceOptionalProperties.ts, 17, 17))
>b : Symbol(b, Decl(inferenceOptionalProperties.ts, 17, 28))
var v4: { a?: string, b?: string | undefined };
>v4 : Symbol(v4, Decl(inferenceOptionalProperties.ts, 17, 3), Decl(inferenceOptionalProperties.ts, 18, 3))
>a : Symbol(a, Decl(inferenceOptionalProperties.ts, 18, 9))
>b : Symbol(b, Decl(inferenceOptionalProperties.ts, 18, 21))
var v5: Required<Partial<{ a: string, b: string }>>;
>v5 : Symbol(v5, Decl(inferenceOptionalProperties.ts, 20, 3), Decl(inferenceOptionalProperties.ts, 21, 3))
>Required : Symbol(Required, Decl(lib.es5.d.ts, --, --))
>Partial : Symbol(Partial, Decl(lib.es5.d.ts, --, --))
>a : Symbol(a, Decl(inferenceOptionalProperties.ts, 20, 26))
>b : Symbol(b, Decl(inferenceOptionalProperties.ts, 20, 37))
var v5: { a: string, b: string };
>v5 : Symbol(v5, Decl(inferenceOptionalProperties.ts, 20, 3), Decl(inferenceOptionalProperties.ts, 21, 3))
>a : Symbol(a, Decl(inferenceOptionalProperties.ts, 21, 9))
>b : Symbol(b, Decl(inferenceOptionalProperties.ts, 21, 20))
var v6: Required<Partial<{ a: string, b: string | undefined }>>;
>v6 : Symbol(v6, Decl(inferenceOptionalProperties.ts, 23, 3), Decl(inferenceOptionalProperties.ts, 24, 3))
>Required : Symbol(Required, Decl(lib.es5.d.ts, --, --))
>Partial : Symbol(Partial, Decl(lib.es5.d.ts, --, --))
>a : Symbol(a, Decl(inferenceOptionalProperties.ts, 23, 26))
>b : Symbol(b, Decl(inferenceOptionalProperties.ts, 23, 37))
var v6: { a: string, b: string | undefined };
>v6 : Symbol(v6, Decl(inferenceOptionalProperties.ts, 23, 3), Decl(inferenceOptionalProperties.ts, 24, 3))
>a : Symbol(a, Decl(inferenceOptionalProperties.ts, 24, 9))
>b : Symbol(b, Decl(inferenceOptionalProperties.ts, 24, 20))
|
