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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
|
=== tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/nullIsSubtypeOfEverythingButUndefined.ts ===
// null is a subtype of any other types except undefined
var r0 = true ? null : null;
>r0 : Symbol(r0, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 2, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 3, 3))
var r0 = true ? null : null;
>r0 : Symbol(r0, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 2, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 3, 3))
var u: typeof undefined;
>u : Symbol(u, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 5, 3))
>undefined : Symbol(undefined)
var r0b = true ? u : null;
>r0b : Symbol(r0b, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 6, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 7, 3))
>u : Symbol(u, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 5, 3))
var r0b = true ? null : u;
>r0b : Symbol(r0b, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 6, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 7, 3))
>u : Symbol(u, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 5, 3))
var r1 = true ? 1 : null;
>r1 : Symbol(r1, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 9, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 10, 3))
var r1 = true ? null : 1;
>r1 : Symbol(r1, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 9, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 10, 3))
var r2 = true ? '' : null;
>r2 : Symbol(r2, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 12, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 13, 3))
var r2 = true ? null : '';
>r2 : Symbol(r2, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 12, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 13, 3))
var r3 = true ? true : null;
>r3 : Symbol(r3, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 15, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 16, 3))
var r3 = true ? null : true;
>r3 : Symbol(r3, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 15, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 16, 3))
var r4 = true ? new Date() : null;
>r4 : Symbol(r4, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 18, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 19, 3))
>Date : Symbol(Date, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.scripthost.d.ts, --, --))
var r4 = true ? null : new Date();
>r4 : Symbol(r4, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 18, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 19, 3))
>Date : Symbol(Date, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.scripthost.d.ts, --, --))
var r5 = true ? /1/ : null;
>r5 : Symbol(r5, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 21, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 22, 3))
var r5 = true ? null : /1/;
>r5 : Symbol(r5, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 21, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 22, 3))
var r6 = true ? { foo: 1 } : null;
>r6 : Symbol(r6, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 24, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 25, 3))
>foo : Symbol(foo, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 24, 17))
var r6 = true ? null : { foo: 1 };
>r6 : Symbol(r6, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 24, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 25, 3))
>foo : Symbol(foo, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 25, 24))
var r7 = true ? () => { } : null;
>r7 : Symbol(r7, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 27, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 28, 3))
var r7 = true ? null : () => { };
>r7 : Symbol(r7, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 27, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 28, 3))
var r8 = true ? <T>(x: T) => { return x } : null;
>r8 : Symbol(r8, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 30, 3))
>T : Symbol(T, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 30, 17))
>x : Symbol(x, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 30, 20))
>T : Symbol(T, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 30, 17))
>x : Symbol(x, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 30, 20))
var r8b = true ? null : <T>(x: T) => { return x }; // type parameters not identical across declarations
>r8b : Symbol(r8b, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 31, 3))
>T : Symbol(T, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 31, 25))
>x : Symbol(x, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 31, 28))
>T : Symbol(T, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 31, 25))
>x : Symbol(x, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 31, 28))
interface I1 { foo: number; }
>I1 : Symbol(I1, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 31, 50))
>foo : Symbol(I1.foo, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 33, 14))
var i1: I1;
>i1 : Symbol(i1, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 34, 3))
>I1 : Symbol(I1, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 31, 50))
var r9 = true ? i1 : null;
>r9 : Symbol(r9, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 35, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 36, 3))
>i1 : Symbol(i1, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 34, 3))
var r9 = true ? null : i1;
>r9 : Symbol(r9, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 35, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 36, 3))
>i1 : Symbol(i1, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 34, 3))
class C1 { foo: number; }
>C1 : Symbol(C1, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 36, 26))
>foo : Symbol(C1.foo, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 38, 10))
var c1: C1;
>c1 : Symbol(c1, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 39, 3))
>C1 : Symbol(C1, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 36, 26))
var r10 = true ? c1 : null;
>r10 : Symbol(r10, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 40, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 41, 3))
>c1 : Symbol(c1, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 39, 3))
var r10 = true ? null : c1;
>r10 : Symbol(r10, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 40, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 41, 3))
>c1 : Symbol(c1, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 39, 3))
class C2<T> { foo: T; }
>C2 : Symbol(C2, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 41, 27))
>T : Symbol(T, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 43, 9))
>foo : Symbol(C2.foo, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 43, 13))
>T : Symbol(T, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 43, 9))
var c2: C2<number>;
>c2 : Symbol(c2, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 44, 3))
>C2 : Symbol(C2, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 41, 27))
var r12 = true ? c2 : null;
>r12 : Symbol(r12, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 45, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 46, 3))
>c2 : Symbol(c2, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 44, 3))
var r12 = true ? null : c2;
>r12 : Symbol(r12, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 45, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 46, 3))
>c2 : Symbol(c2, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 44, 3))
enum E { A }
>E : Symbol(E, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 46, 27))
>A : Symbol(E.A, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 48, 8))
var r13 = true ? E : null;
>r13 : Symbol(r13, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 49, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 50, 3))
>E : Symbol(E, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 46, 27))
var r13 = true ? null : E;
>r13 : Symbol(r13, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 49, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 50, 3))
>E : Symbol(E, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 46, 27))
var r14 = true ? E.A : null;
>r14 : Symbol(r14, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 52, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 53, 3))
>E.A : Symbol(E.A, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 48, 8))
>E : Symbol(E, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 46, 27))
>A : Symbol(E.A, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 48, 8))
var r14 = true ? null : E.A;
>r14 : Symbol(r14, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 52, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 53, 3))
>E.A : Symbol(E.A, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 48, 8))
>E : Symbol(E, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 46, 27))
>A : Symbol(E.A, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 48, 8))
function f() { }
>f : Symbol(f, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 53, 28), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 55, 16))
module f {
>f : Symbol(f, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 53, 28), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 55, 16))
export var bar = 1;
>bar : Symbol(bar, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 57, 14))
}
var af: typeof f;
>af : Symbol(af, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 59, 3))
>f : Symbol(f, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 53, 28), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 55, 16))
var r15 = true ? af : null;
>r15 : Symbol(r15, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 60, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 61, 3))
>af : Symbol(af, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 59, 3))
var r15 = true ? null : af;
>r15 : Symbol(r15, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 60, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 61, 3))
>af : Symbol(af, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 59, 3))
class c { baz: string }
>c : Symbol(c, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 61, 27), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 63, 23))
>baz : Symbol(c.baz, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 63, 9))
module c {
>c : Symbol(c, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 61, 27), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 63, 23))
export var bar = 1;
>bar : Symbol(bar, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 65, 14))
}
var ac: typeof c;
>ac : Symbol(ac, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 67, 3))
>c : Symbol(c, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 61, 27), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 63, 23))
var r16 = true ? ac : null;
>r16 : Symbol(r16, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 68, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 69, 3))
>ac : Symbol(ac, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 67, 3))
var r16 = true ? null : ac;
>r16 : Symbol(r16, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 68, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 69, 3))
>ac : Symbol(ac, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 67, 3))
function f17<T>(x: T) {
>f17 : Symbol(f17, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 69, 27))
>T : Symbol(T, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 71, 13))
>x : Symbol(x, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 71, 16))
>T : Symbol(T, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 71, 13))
var r17 = true ? x : null;
>r17 : Symbol(r17, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 72, 7), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 73, 7))
>x : Symbol(x, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 71, 16))
var r17 = true ? null : x;
>r17 : Symbol(r17, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 72, 7), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 73, 7))
>x : Symbol(x, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 71, 16))
}
function f18<T, U>(x: U) {
>f18 : Symbol(f18, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 74, 1))
>T : Symbol(T, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 76, 13))
>U : Symbol(U, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 76, 15))
>x : Symbol(x, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 76, 19))
>U : Symbol(U, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 76, 15))
var r18 = true ? x : null;
>r18 : Symbol(r18, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 77, 7), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 78, 7))
>x : Symbol(x, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 76, 19))
var r18 = true ? null : x;
>r18 : Symbol(r18, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 77, 7), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 78, 7))
>x : Symbol(x, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 76, 19))
}
//function f18<T, U extends T>(x: U) {
// var r18 = true ? x : null;
// var r18 = true ? null : x;
//}
var r19 = true ? new Object() : null;
>r19 : Symbol(r19, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 85, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 86, 3))
>Object : Symbol(Object, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
var r19 = true ? null : new Object();
>r19 : Symbol(r19, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 85, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 86, 3))
>Object : Symbol(Object, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
var r20 = true ? {} : null;
>r20 : Symbol(r20, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 88, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 89, 3))
var r20 = true ? null : {};
>r20 : Symbol(r20, Decl(nullIsSubtypeOfEverythingButUndefined.ts, 88, 3), Decl(nullIsSubtypeOfEverythingButUndefined.ts, 89, 3))
|
