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
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
|
=== tests/cases/conformance/types/union/discriminatedUnionTypes1.ts ===
interface Square {
>Square : Symbol(Square, Decl(discriminatedUnionTypes1.ts, 0, 0))
kind: "square";
>kind : Symbol(Square.kind, Decl(discriminatedUnionTypes1.ts, 0, 18))
size: number;
>size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
}
interface Rectangle {
>Rectangle : Symbol(Rectangle, Decl(discriminatedUnionTypes1.ts, 3, 1))
kind: "rectangle";
>kind : Symbol(Rectangle.kind, Decl(discriminatedUnionTypes1.ts, 5, 21))
width: number;
>width : Symbol(Rectangle.width, Decl(discriminatedUnionTypes1.ts, 6, 22))
height: number;
>height : Symbol(Rectangle.height, Decl(discriminatedUnionTypes1.ts, 7, 18))
}
interface Circle {
>Circle : Symbol(Circle, Decl(discriminatedUnionTypes1.ts, 9, 1))
kind: "circle";
>kind : Symbol(Circle.kind, Decl(discriminatedUnionTypes1.ts, 11, 18))
radius: number;
>radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
}
type Shape = Square | Rectangle | Circle;
>Shape : Symbol(Shape, Decl(discriminatedUnionTypes1.ts, 14, 1))
>Square : Symbol(Square, Decl(discriminatedUnionTypes1.ts, 0, 0))
>Rectangle : Symbol(Rectangle, Decl(discriminatedUnionTypes1.ts, 3, 1))
>Circle : Symbol(Circle, Decl(discriminatedUnionTypes1.ts, 9, 1))
function area1(s: Shape) {
>area1 : Symbol(area1, Decl(discriminatedUnionTypes1.ts, 16, 41))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
>Shape : Symbol(Shape, Decl(discriminatedUnionTypes1.ts, 14, 1))
if (s.kind === "square") {
>s.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 0, 18), Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 0, 18), Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
return s.size * s.size;
>s.size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
>size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
>s.size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
>size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
}
else if (s.kind === "circle") {
>s.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
return Math.PI * s.radius * s.radius;
>Math.PI : Symbol(Math.PI, Decl(lib.es5.d.ts, --, --))
>Math : Symbol(Math, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
>PI : Symbol(Math.PI, Decl(lib.es5.d.ts, --, --))
>s.radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
>radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
>s.radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
>radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
}
else if (s.kind === "rectangle") {
>s.kind : Symbol(Rectangle.kind, Decl(discriminatedUnionTypes1.ts, 5, 21))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
>kind : Symbol(Rectangle.kind, Decl(discriminatedUnionTypes1.ts, 5, 21))
return s.width * s.height;
>s.width : Symbol(Rectangle.width, Decl(discriminatedUnionTypes1.ts, 6, 22))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
>width : Symbol(Rectangle.width, Decl(discriminatedUnionTypes1.ts, 6, 22))
>s.height : Symbol(Rectangle.height, Decl(discriminatedUnionTypes1.ts, 7, 18))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
>height : Symbol(Rectangle.height, Decl(discriminatedUnionTypes1.ts, 7, 18))
}
else {
return 0;
}
}
function area2(s: Shape) {
>area2 : Symbol(area2, Decl(discriminatedUnionTypes1.ts, 31, 1))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 33, 15))
>Shape : Symbol(Shape, Decl(discriminatedUnionTypes1.ts, 14, 1))
switch (s.kind) {
>s.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 0, 18), Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 33, 15))
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 0, 18), Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
case "square": return s.size * s.size;
>s.size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 33, 15))
>size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
>s.size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 33, 15))
>size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
case "rectangle": return s.width * s.height;
>s.width : Symbol(Rectangle.width, Decl(discriminatedUnionTypes1.ts, 6, 22))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 33, 15))
>width : Symbol(Rectangle.width, Decl(discriminatedUnionTypes1.ts, 6, 22))
>s.height : Symbol(Rectangle.height, Decl(discriminatedUnionTypes1.ts, 7, 18))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 33, 15))
>height : Symbol(Rectangle.height, Decl(discriminatedUnionTypes1.ts, 7, 18))
case "circle": return Math.PI * s.radius * s.radius;
>Math.PI : Symbol(Math.PI, Decl(lib.es5.d.ts, --, --))
>Math : Symbol(Math, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
>PI : Symbol(Math.PI, Decl(lib.es5.d.ts, --, --))
>s.radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 33, 15))
>radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
>s.radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 33, 15))
>radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
}
}
function assertNever(x: never): never {
>assertNever : Symbol(assertNever, Decl(discriminatedUnionTypes1.ts, 39, 1))
>x : Symbol(x, Decl(discriminatedUnionTypes1.ts, 41, 21))
throw new Error("Unexpected object: " + x);
>Error : Symbol(Error, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
>x : Symbol(x, Decl(discriminatedUnionTypes1.ts, 41, 21))
}
function area3(s: Shape) {
>area3 : Symbol(area3, Decl(discriminatedUnionTypes1.ts, 43, 1))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 45, 15))
>Shape : Symbol(Shape, Decl(discriminatedUnionTypes1.ts, 14, 1))
switch (s.kind) {
>s.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 0, 18), Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 45, 15))
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 0, 18), Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
case "square": return s.size * s.size;
>s.size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 45, 15))
>size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
>s.size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 45, 15))
>size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
case "rectangle": return s.width * s.height;
>s.width : Symbol(Rectangle.width, Decl(discriminatedUnionTypes1.ts, 6, 22))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 45, 15))
>width : Symbol(Rectangle.width, Decl(discriminatedUnionTypes1.ts, 6, 22))
>s.height : Symbol(Rectangle.height, Decl(discriminatedUnionTypes1.ts, 7, 18))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 45, 15))
>height : Symbol(Rectangle.height, Decl(discriminatedUnionTypes1.ts, 7, 18))
case "circle": return Math.PI * s.radius * s.radius;
>Math.PI : Symbol(Math.PI, Decl(lib.es5.d.ts, --, --))
>Math : Symbol(Math, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
>PI : Symbol(Math.PI, Decl(lib.es5.d.ts, --, --))
>s.radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 45, 15))
>radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
>s.radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 45, 15))
>radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
default: return assertNever(s);
>assertNever : Symbol(assertNever, Decl(discriminatedUnionTypes1.ts, 39, 1))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 45, 15))
}
}
function area4(s: Shape) {
>area4 : Symbol(area4, Decl(discriminatedUnionTypes1.ts, 52, 1))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 54, 15))
>Shape : Symbol(Shape, Decl(discriminatedUnionTypes1.ts, 14, 1))
switch (s.kind) {
>s.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 0, 18), Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 54, 15))
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 0, 18), Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
case "square": return s.size * s.size;
>s.size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 54, 15))
>size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
>s.size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 54, 15))
>size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
case "rectangle": return s.width * s.height;
>s.width : Symbol(Rectangle.width, Decl(discriminatedUnionTypes1.ts, 6, 22))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 54, 15))
>width : Symbol(Rectangle.width, Decl(discriminatedUnionTypes1.ts, 6, 22))
>s.height : Symbol(Rectangle.height, Decl(discriminatedUnionTypes1.ts, 7, 18))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 54, 15))
>height : Symbol(Rectangle.height, Decl(discriminatedUnionTypes1.ts, 7, 18))
case "circle": return Math.PI * s.radius * s.radius;
>Math.PI : Symbol(Math.PI, Decl(lib.es5.d.ts, --, --))
>Math : Symbol(Math, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
>PI : Symbol(Math.PI, Decl(lib.es5.d.ts, --, --))
>s.radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 54, 15))
>radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
>s.radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 54, 15))
>radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
}
return assertNever(s);
>assertNever : Symbol(assertNever, Decl(discriminatedUnionTypes1.ts, 39, 1))
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 54, 15))
}
type Message =
>Message : Symbol(Message, Decl(discriminatedUnionTypes1.ts, 61, 1))
{ kind: "A", x: string } |
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5))
>x : Symbol(x, Decl(discriminatedUnionTypes1.ts, 64, 16))
{ kind: "B" | "C", y: number } |
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 65, 5))
>y : Symbol(y, Decl(discriminatedUnionTypes1.ts, 65, 22))
{ kind: "D" };
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 66, 5))
function f1(m: Message) {
>f1 : Symbol(f1, Decl(discriminatedUnionTypes1.ts, 66, 18))
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 68, 12))
>Message : Symbol(Message, Decl(discriminatedUnionTypes1.ts, 61, 1))
if (m.kind === "A") {
>m.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 68, 12))
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
m; // { kind: "A", x: string }
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 68, 12))
}
else if (m.kind === "D") {
>m.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 68, 12))
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
m; // { kind: "D" }
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 68, 12))
}
else {
m; // { kind: "B" | "C", y: number }
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 68, 12))
}
}
function f2(m: Message) {
>f2 : Symbol(f2, Decl(discriminatedUnionTypes1.ts, 78, 1))
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 80, 12))
>Message : Symbol(Message, Decl(discriminatedUnionTypes1.ts, 61, 1))
if (m.kind === "A") {
>m.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 80, 12))
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
return;
}
m; // { kind: "B" | "C", y: number } | { kind: "D" }
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 80, 12))
}
function f3(m: Message) {
>f3 : Symbol(f3, Decl(discriminatedUnionTypes1.ts, 85, 1))
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 87, 12))
>Message : Symbol(Message, Decl(discriminatedUnionTypes1.ts, 61, 1))
if (m.kind === "X") {
>m.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 87, 12))
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
m; // never
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 87, 12))
}
}
function f4(m: Message, x: "A" | "D") {
>f4 : Symbol(f4, Decl(discriminatedUnionTypes1.ts, 91, 1))
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 93, 12))
>Message : Symbol(Message, Decl(discriminatedUnionTypes1.ts, 61, 1))
>x : Symbol(x, Decl(discriminatedUnionTypes1.ts, 93, 23))
if (m.kind == x) {
>m.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 93, 12))
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
>x : Symbol(x, Decl(discriminatedUnionTypes1.ts, 93, 23))
m; // { kind: "A", x: string } | { kind: "D" }
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 93, 12))
}
}
function f5(m: Message) {
>f5 : Symbol(f5, Decl(discriminatedUnionTypes1.ts, 97, 1))
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 99, 12))
>Message : Symbol(Message, Decl(discriminatedUnionTypes1.ts, 61, 1))
switch (m.kind) {
>m.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 99, 12))
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
case "A":
m; // { kind: "A", x: string }
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 99, 12))
break;
case "D":
m; // { kind: "D" }
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 99, 12))
break;
default:
m; // { kind: "B" | "C", y: number }
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 99, 12))
}
}
function f6(m: Message) {
>f6 : Symbol(f6, Decl(discriminatedUnionTypes1.ts, 110, 1))
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 112, 12))
>Message : Symbol(Message, Decl(discriminatedUnionTypes1.ts, 61, 1))
switch (m.kind) {
>m.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 112, 12))
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
case "A":
m; // { kind: "A", x: string }
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 112, 12))
case "D":
m; // { kind: "A", x: string } | { kind: "D" }
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 112, 12))
break;
default:
m; // { kind: "B" | "C", y: number }
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 112, 12))
}
}
function f7(m: Message) {
>f7 : Symbol(f7, Decl(discriminatedUnionTypes1.ts, 122, 1))
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 124, 12))
>Message : Symbol(Message, Decl(discriminatedUnionTypes1.ts, 61, 1))
switch (m.kind) {
>m.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 124, 12))
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
case "A":
case "B":
return;
}
m; // { kind: "B" | "C", y: number } | { kind: "D" }
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 124, 12))
}
function f8(m: Message) {
>f8 : Symbol(f8, Decl(discriminatedUnionTypes1.ts, 131, 1))
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 133, 12))
>Message : Symbol(Message, Decl(discriminatedUnionTypes1.ts, 61, 1))
switch (m.kind) {
>m.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 133, 12))
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
case "A":
return;
case "D":
throw new Error();
>Error : Symbol(Error, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
}
m; // { kind: "B" | "C", y: number }
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 133, 12))
}
|
