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
|
=== tests/cases/conformance/types/uniqueSymbol/uniqueSymbolsErrors.ts ===
// declarations
declare const invalidUniqueType: unique number;
>invalidUniqueType : Symbol(invalidUniqueType, Decl(uniqueSymbolsErrors.ts, 1, 13))
declare const {}: unique symbol;
declare let invalidLetType: unique symbol;
>invalidLetType : Symbol(invalidLetType, Decl(uniqueSymbolsErrors.ts, 3, 11))
declare var invalidVarType: unique symbol;
>invalidVarType : Symbol(invalidVarType, Decl(uniqueSymbolsErrors.ts, 4, 11))
// function arguments and return types
declare function invalidArgType(arg: unique symbol): void;
>invalidArgType : Symbol(invalidArgType, Decl(uniqueSymbolsErrors.ts, 4, 42))
>arg : Symbol(arg, Decl(uniqueSymbolsErrors.ts, 7, 32))
declare function invalidRestArgType(...arg: (unique symbol)[]): void;
>invalidRestArgType : Symbol(invalidRestArgType, Decl(uniqueSymbolsErrors.ts, 7, 58))
>arg : Symbol(arg, Decl(uniqueSymbolsErrors.ts, 8, 36))
declare function invalidReturnType(): unique symbol;
>invalidReturnType : Symbol(invalidReturnType, Decl(uniqueSymbolsErrors.ts, 8, 69))
declare function invalidThisType(this: unique symbol): void;
>invalidThisType : Symbol(invalidThisType, Decl(uniqueSymbolsErrors.ts, 9, 52))
>this : Symbol(this, Decl(uniqueSymbolsErrors.ts, 10, 33))
declare function invalidTypePredicate(n: any): n is unique symbol;
>invalidTypePredicate : Symbol(invalidTypePredicate, Decl(uniqueSymbolsErrors.ts, 10, 60))
>n : Symbol(n, Decl(uniqueSymbolsErrors.ts, 11, 38))
>n : Symbol(n, Decl(uniqueSymbolsErrors.ts, 11, 38))
declare function invalidTypeParameterConstraint<T extends unique symbol>(): void;
>invalidTypeParameterConstraint : Symbol(invalidTypeParameterConstraint, Decl(uniqueSymbolsErrors.ts, 11, 66))
>T : Symbol(T, Decl(uniqueSymbolsErrors.ts, 12, 48))
declare function invalidTypeParameterDefault<T = unique symbol>(): void;
>invalidTypeParameterDefault : Symbol(invalidTypeParameterDefault, Decl(uniqueSymbolsErrors.ts, 12, 81))
>T : Symbol(T, Decl(uniqueSymbolsErrors.ts, 13, 45))
// classes
class InvalidClass {
>InvalidClass : Symbol(InvalidClass, Decl(uniqueSymbolsErrors.ts, 13, 72))
constructor(invalidConstructorArgType: unique symbol) {}
>invalidConstructorArgType : Symbol(invalidConstructorArgType, Decl(uniqueSymbolsErrors.ts, 17, 16))
readonly invalidReadonlyPropertyType: unique symbol;
>invalidReadonlyPropertyType : Symbol(InvalidClass.invalidReadonlyPropertyType, Decl(uniqueSymbolsErrors.ts, 17, 60))
invalidPropertyType: unique symbol;
>invalidPropertyType : Symbol(InvalidClass.invalidPropertyType, Decl(uniqueSymbolsErrors.ts, 19, 56))
invalidArgType(arg: unique symbol): void { return; }
>invalidArgType : Symbol(InvalidClass.invalidArgType, Decl(uniqueSymbolsErrors.ts, 20, 39))
>arg : Symbol(arg, Decl(uniqueSymbolsErrors.ts, 21, 19))
invalidRestArgType(...args: (unique symbol)[]): void { return; }
>invalidRestArgType : Symbol(InvalidClass.invalidRestArgType, Decl(uniqueSymbolsErrors.ts, 21, 56))
>args : Symbol(args, Decl(uniqueSymbolsErrors.ts, 22, 23))
invalidReturnType(): unique symbol { return; }
>invalidReturnType : Symbol(InvalidClass.invalidReturnType, Decl(uniqueSymbolsErrors.ts, 22, 68))
invalidThisType(this: unique symbol): void { return; }
>invalidThisType : Symbol(InvalidClass.invalidThisType, Decl(uniqueSymbolsErrors.ts, 23, 50))
>this : Symbol(this, Decl(uniqueSymbolsErrors.ts, 24, 20))
invalidTypePredicate(n: any): n is unique symbol { return; }
>invalidTypePredicate : Symbol(InvalidClass.invalidTypePredicate, Decl(uniqueSymbolsErrors.ts, 24, 58))
>n : Symbol(n, Decl(uniqueSymbolsErrors.ts, 25, 25))
>n : Symbol(n, Decl(uniqueSymbolsErrors.ts, 25, 25))
invalidTypeParameterConstraint<T extends unique symbol>(): void { return; }
>invalidTypeParameterConstraint : Symbol(InvalidClass.invalidTypeParameterConstraint, Decl(uniqueSymbolsErrors.ts, 25, 64))
>T : Symbol(T, Decl(uniqueSymbolsErrors.ts, 26, 35))
invalidTypeParameterDefault<T = unique symbol>(): void { return; }
>invalidTypeParameterDefault : Symbol(InvalidClass.invalidTypeParameterDefault, Decl(uniqueSymbolsErrors.ts, 26, 79))
>T : Symbol(T, Decl(uniqueSymbolsErrors.ts, 27, 32))
get invalidGetter(): unique symbol { return; }
>invalidGetter : Symbol(InvalidClass.invalidGetter, Decl(uniqueSymbolsErrors.ts, 27, 70))
set invalidSetter(arg: unique symbol) { return; }
>invalidSetter : Symbol(InvalidClass.invalidSetter, Decl(uniqueSymbolsErrors.ts, 28, 50))
>arg : Symbol(arg, Decl(uniqueSymbolsErrors.ts, 29, 22))
static invalidStaticPropertyType: unique symbol;
>invalidStaticPropertyType : Symbol(InvalidClass.invalidStaticPropertyType, Decl(uniqueSymbolsErrors.ts, 29, 53))
static invalidStaticArgType(arg: unique symbol): void { return; }
>invalidStaticArgType : Symbol(InvalidClass.invalidStaticArgType, Decl(uniqueSymbolsErrors.ts, 31, 52))
>arg : Symbol(arg, Decl(uniqueSymbolsErrors.ts, 32, 32))
static invalidStaticRestArgType(...args: (unique symbol)[]): void { return; }
>invalidStaticRestArgType : Symbol(InvalidClass.invalidStaticRestArgType, Decl(uniqueSymbolsErrors.ts, 32, 69))
>args : Symbol(args, Decl(uniqueSymbolsErrors.ts, 33, 36))
static invalidStaticReturnType(): unique symbol { return; }
>invalidStaticReturnType : Symbol(InvalidClass.invalidStaticReturnType, Decl(uniqueSymbolsErrors.ts, 33, 81))
static invalidStaticThisType(this: unique symbol): void { return; }
>invalidStaticThisType : Symbol(InvalidClass.invalidStaticThisType, Decl(uniqueSymbolsErrors.ts, 34, 63))
>this : Symbol(this, Decl(uniqueSymbolsErrors.ts, 35, 33))
static invalidStaticTypePredicate(n: any): n is unique symbol { return; }
>invalidStaticTypePredicate : Symbol(InvalidClass.invalidStaticTypePredicate, Decl(uniqueSymbolsErrors.ts, 35, 71))
>n : Symbol(n, Decl(uniqueSymbolsErrors.ts, 36, 38))
>n : Symbol(n, Decl(uniqueSymbolsErrors.ts, 36, 38))
static invalidStaticTypeParameterConstraint<T extends unique symbol>(): void { return; }
>invalidStaticTypeParameterConstraint : Symbol(InvalidClass.invalidStaticTypeParameterConstraint, Decl(uniqueSymbolsErrors.ts, 36, 77))
>T : Symbol(T, Decl(uniqueSymbolsErrors.ts, 37, 48))
static invalidStaticTypeParameterDefault<T = unique symbol>(): void { return; }
>invalidStaticTypeParameterDefault : Symbol(InvalidClass.invalidStaticTypeParameterDefault, Decl(uniqueSymbolsErrors.ts, 37, 92))
>T : Symbol(T, Decl(uniqueSymbolsErrors.ts, 38, 45))
static get invalidStaticGetter(): unique symbol { return; }
>invalidStaticGetter : Symbol(InvalidClass.invalidStaticGetter, Decl(uniqueSymbolsErrors.ts, 38, 83))
static set invalidStaticSetter(arg: unique symbol) { return; }
>invalidStaticSetter : Symbol(InvalidClass.invalidStaticSetter, Decl(uniqueSymbolsErrors.ts, 39, 63))
>arg : Symbol(arg, Decl(uniqueSymbolsErrors.ts, 40, 35))
}
// interfaces
interface InvalidInterface {
>InvalidInterface : Symbol(InvalidInterface, Decl(uniqueSymbolsErrors.ts, 41, 1))
invalidPropertyType: unique symbol;
>invalidPropertyType : Symbol(InvalidInterface.invalidPropertyType, Decl(uniqueSymbolsErrors.ts, 44, 28))
invalidArgType(arg: unique symbol): void;
>invalidArgType : Symbol(InvalidInterface.invalidArgType, Decl(uniqueSymbolsErrors.ts, 45, 39))
>arg : Symbol(arg, Decl(uniqueSymbolsErrors.ts, 46, 19))
invalidRestArgType(...args: (unique symbol)[]): void;
>invalidRestArgType : Symbol(InvalidInterface.invalidRestArgType, Decl(uniqueSymbolsErrors.ts, 46, 45))
>args : Symbol(args, Decl(uniqueSymbolsErrors.ts, 47, 23))
invalidReturnType(): unique symbol;
>invalidReturnType : Symbol(InvalidInterface.invalidReturnType, Decl(uniqueSymbolsErrors.ts, 47, 57))
invalidThisType(this: unique symbol);
>invalidThisType : Symbol(InvalidInterface.invalidThisType, Decl(uniqueSymbolsErrors.ts, 48, 39))
>this : Symbol(this, Decl(uniqueSymbolsErrors.ts, 49, 20))
invalidTypePredicate(n: any): n is unique symbol
>invalidTypePredicate : Symbol(InvalidInterface.invalidTypePredicate, Decl(uniqueSymbolsErrors.ts, 49, 41))
>n : Symbol(n, Decl(uniqueSymbolsErrors.ts, 50, 25))
>n : Symbol(n, Decl(uniqueSymbolsErrors.ts, 50, 25))
invalidTypeParameterConstraint<T extends unique symbol>(): void;
>invalidTypeParameterConstraint : Symbol(InvalidInterface.invalidTypeParameterConstraint, Decl(uniqueSymbolsErrors.ts, 50, 52))
>T : Symbol(T, Decl(uniqueSymbolsErrors.ts, 51, 35))
invalidTypeParameterDefault<T = unique symbol>(): void;
>invalidTypeParameterDefault : Symbol(InvalidInterface.invalidTypeParameterDefault, Decl(uniqueSymbolsErrors.ts, 51, 68))
>T : Symbol(T, Decl(uniqueSymbolsErrors.ts, 52, 32))
}
// type literals
type InvalidTypeLiteral = {
>InvalidTypeLiteral : Symbol(InvalidTypeLiteral, Decl(uniqueSymbolsErrors.ts, 53, 1))
invalidPropertyType: unique symbol;
>invalidPropertyType : Symbol(invalidPropertyType, Decl(uniqueSymbolsErrors.ts, 56, 27))
invalidArgType(arg: unique symbol): void;
>invalidArgType : Symbol(invalidArgType, Decl(uniqueSymbolsErrors.ts, 57, 39))
>arg : Symbol(arg, Decl(uniqueSymbolsErrors.ts, 58, 19))
invalidRestArgType(...args: (unique symbol)[]): void;
>invalidRestArgType : Symbol(invalidRestArgType, Decl(uniqueSymbolsErrors.ts, 58, 45))
>args : Symbol(args, Decl(uniqueSymbolsErrors.ts, 59, 23))
invalidReturnType(): unique symbol;
>invalidReturnType : Symbol(invalidReturnType, Decl(uniqueSymbolsErrors.ts, 59, 57))
invalidThisType(this: unique symbol);
>invalidThisType : Symbol(invalidThisType, Decl(uniqueSymbolsErrors.ts, 60, 39))
>this : Symbol(this, Decl(uniqueSymbolsErrors.ts, 61, 20))
invalidTypePredicate(n: any): n is unique symbol
>invalidTypePredicate : Symbol(invalidTypePredicate, Decl(uniqueSymbolsErrors.ts, 61, 41))
>n : Symbol(n, Decl(uniqueSymbolsErrors.ts, 62, 25))
>n : Symbol(n, Decl(uniqueSymbolsErrors.ts, 62, 25))
invalidTypeParameterConstraint<T extends unique symbol>(): void;
>invalidTypeParameterConstraint : Symbol(invalidTypeParameterConstraint, Decl(uniqueSymbolsErrors.ts, 62, 52))
>T : Symbol(T, Decl(uniqueSymbolsErrors.ts, 63, 35))
invalidTypeParameterDefault<T = unique symbol>(): void;
>invalidTypeParameterDefault : Symbol(invalidTypeParameterDefault, Decl(uniqueSymbolsErrors.ts, 63, 68))
>T : Symbol(T, Decl(uniqueSymbolsErrors.ts, 64, 32))
};
// type alias
type InvalidAlias = unique symbol;
>InvalidAlias : Symbol(InvalidAlias, Decl(uniqueSymbolsErrors.ts, 65, 2))
type InvalidAliasTypeParameterConstraint<T extends unique symbol> = never;
>InvalidAliasTypeParameterConstraint : Symbol(InvalidAliasTypeParameterConstraint, Decl(uniqueSymbolsErrors.ts, 68, 34))
>T : Symbol(T, Decl(uniqueSymbolsErrors.ts, 69, 41))
type InvalidAliasTypeParameterDefault<T extends unique symbol> = never;
>InvalidAliasTypeParameterDefault : Symbol(InvalidAliasTypeParameterDefault, Decl(uniqueSymbolsErrors.ts, 69, 74))
>T : Symbol(T, Decl(uniqueSymbolsErrors.ts, 70, 38))
// type references
declare const invalidTypeArgument: Promise<unique symbol>;
>invalidTypeArgument : Symbol(invalidTypeArgument, Decl(uniqueSymbolsErrors.ts, 73, 13))
>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
declare const invalidArrayType: (unique symbol)[];
>invalidArrayType : Symbol(invalidArrayType, Decl(uniqueSymbolsErrors.ts, 74, 13))
declare const invalidTupleType: [unique symbol];
>invalidTupleType : Symbol(invalidTupleType, Decl(uniqueSymbolsErrors.ts, 75, 13))
// mapped types
declare const invalidMappedType: { [P in string]: unique symbol };
>invalidMappedType : Symbol(invalidMappedType, Decl(uniqueSymbolsErrors.ts, 78, 13))
>P : Symbol(P, Decl(uniqueSymbolsErrors.ts, 78, 36))
// unions/intersection
declare const invalidUnion: unique symbol | unique symbol;
>invalidUnion : Symbol(invalidUnion, Decl(uniqueSymbolsErrors.ts, 81, 13))
declare const invalidIntersection: unique symbol | unique symbol;
>invalidIntersection : Symbol(invalidIntersection, Decl(uniqueSymbolsErrors.ts, 82, 13))
// initializer assignability
// https://github.com/Microsoft/TypeScript/issues/21584
const shouldNotBeAssignable: string = Symbol();
>shouldNotBeAssignable : Symbol(shouldNotBeAssignable, Decl(uniqueSymbolsErrors.ts, 86, 5))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.esnext.symbol.d.ts, --, --))
|
