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
|
=== tests/cases/conformance/types/objectTypeLiteral/methodSignatures/functionLiterals.ts ===
// PropName<TypeParamList>(ParamList):ReturnType is equivalent to PropName: { <TypeParamList>(ParamList): ReturnType }
var b: {
>b : Symbol(b, Decl(functionLiterals.ts, 2, 3))
func1(x: number): number; // Method signature
>func1 : Symbol(func1, Decl(functionLiterals.ts, 2, 8))
>x : Symbol(x, Decl(functionLiterals.ts, 3, 10))
func2: (x: number) => number; // Function type literal
>func2 : Symbol(func2, Decl(functionLiterals.ts, 3, 29))
>x : Symbol(x, Decl(functionLiterals.ts, 4, 12))
func3: { (x: number): number }; // Object type literal
>func3 : Symbol(func3, Decl(functionLiterals.ts, 4, 33))
>x : Symbol(x, Decl(functionLiterals.ts, 5, 14))
}
// no errors
b.func1 = b.func2;
>b.func1 : Symbol(func1, Decl(functionLiterals.ts, 2, 8))
>b : Symbol(b, Decl(functionLiterals.ts, 2, 3))
>func1 : Symbol(func1, Decl(functionLiterals.ts, 2, 8))
>b.func2 : Symbol(func2, Decl(functionLiterals.ts, 3, 29))
>b : Symbol(b, Decl(functionLiterals.ts, 2, 3))
>func2 : Symbol(func2, Decl(functionLiterals.ts, 3, 29))
b.func1 = b.func3;
>b.func1 : Symbol(func1, Decl(functionLiterals.ts, 2, 8))
>b : Symbol(b, Decl(functionLiterals.ts, 2, 3))
>func1 : Symbol(func1, Decl(functionLiterals.ts, 2, 8))
>b.func3 : Symbol(func3, Decl(functionLiterals.ts, 4, 33))
>b : Symbol(b, Decl(functionLiterals.ts, 2, 3))
>func3 : Symbol(func3, Decl(functionLiterals.ts, 4, 33))
b.func2 = b.func1;
>b.func2 : Symbol(func2, Decl(functionLiterals.ts, 3, 29))
>b : Symbol(b, Decl(functionLiterals.ts, 2, 3))
>func2 : Symbol(func2, Decl(functionLiterals.ts, 3, 29))
>b.func1 : Symbol(func1, Decl(functionLiterals.ts, 2, 8))
>b : Symbol(b, Decl(functionLiterals.ts, 2, 3))
>func1 : Symbol(func1, Decl(functionLiterals.ts, 2, 8))
b.func2 = b.func3;
>b.func2 : Symbol(func2, Decl(functionLiterals.ts, 3, 29))
>b : Symbol(b, Decl(functionLiterals.ts, 2, 3))
>func2 : Symbol(func2, Decl(functionLiterals.ts, 3, 29))
>b.func3 : Symbol(func3, Decl(functionLiterals.ts, 4, 33))
>b : Symbol(b, Decl(functionLiterals.ts, 2, 3))
>func3 : Symbol(func3, Decl(functionLiterals.ts, 4, 33))
b.func3 = b.func1;
>b.func3 : Symbol(func3, Decl(functionLiterals.ts, 4, 33))
>b : Symbol(b, Decl(functionLiterals.ts, 2, 3))
>func3 : Symbol(func3, Decl(functionLiterals.ts, 4, 33))
>b.func1 : Symbol(func1, Decl(functionLiterals.ts, 2, 8))
>b : Symbol(b, Decl(functionLiterals.ts, 2, 3))
>func1 : Symbol(func1, Decl(functionLiterals.ts, 2, 8))
b.func3 = b.func2;
>b.func3 : Symbol(func3, Decl(functionLiterals.ts, 4, 33))
>b : Symbol(b, Decl(functionLiterals.ts, 2, 3))
>func3 : Symbol(func3, Decl(functionLiterals.ts, 4, 33))
>b.func2 : Symbol(func2, Decl(functionLiterals.ts, 3, 29))
>b : Symbol(b, Decl(functionLiterals.ts, 2, 3))
>func2 : Symbol(func2, Decl(functionLiterals.ts, 3, 29))
var c: {
>c : Symbol(c, Decl(functionLiterals.ts, 16, 3))
func4(x: number): number;
>func4 : Symbol(func4, Decl(functionLiterals.ts, 16, 8), Decl(functionLiterals.ts, 17, 29))
>x : Symbol(x, Decl(functionLiterals.ts, 17, 10))
func4(s: string): string;
>func4 : Symbol(func4, Decl(functionLiterals.ts, 16, 8), Decl(functionLiterals.ts, 17, 29))
>s : Symbol(s, Decl(functionLiterals.ts, 18, 10))
func5: {
>func5 : Symbol(func5, Decl(functionLiterals.ts, 18, 29))
(x: number): number;
>x : Symbol(x, Decl(functionLiterals.ts, 20, 9))
(s: string): string;
>s : Symbol(s, Decl(functionLiterals.ts, 21, 9))
};
};
// no errors
c.func4 = c.func5;
>c.func4 : Symbol(func4, Decl(functionLiterals.ts, 16, 8), Decl(functionLiterals.ts, 17, 29))
>c : Symbol(c, Decl(functionLiterals.ts, 16, 3))
>func4 : Symbol(func4, Decl(functionLiterals.ts, 16, 8), Decl(functionLiterals.ts, 17, 29))
>c.func5 : Symbol(func5, Decl(functionLiterals.ts, 18, 29))
>c : Symbol(c, Decl(functionLiterals.ts, 16, 3))
>func5 : Symbol(func5, Decl(functionLiterals.ts, 18, 29))
c.func5 = c.func4;
>c.func5 : Symbol(func5, Decl(functionLiterals.ts, 18, 29))
>c : Symbol(c, Decl(functionLiterals.ts, 16, 3))
>func5 : Symbol(func5, Decl(functionLiterals.ts, 18, 29))
>c.func4 : Symbol(func4, Decl(functionLiterals.ts, 16, 8), Decl(functionLiterals.ts, 17, 29))
>c : Symbol(c, Decl(functionLiterals.ts, 16, 3))
>func4 : Symbol(func4, Decl(functionLiterals.ts, 16, 8), Decl(functionLiterals.ts, 17, 29))
// generic versions
var b2: {
>b2 : Symbol(b2, Decl(functionLiterals.ts, 30, 3))
func1<T>(x: T): number; // Method signature
>func1 : Symbol(func1, Decl(functionLiterals.ts, 30, 9))
>T : Symbol(T, Decl(functionLiterals.ts, 31, 10))
>x : Symbol(x, Decl(functionLiterals.ts, 31, 13))
>T : Symbol(T, Decl(functionLiterals.ts, 31, 10))
func2: <T>(x: T) => number; // Function type literal
>func2 : Symbol(func2, Decl(functionLiterals.ts, 31, 27))
>T : Symbol(T, Decl(functionLiterals.ts, 32, 12))
>x : Symbol(x, Decl(functionLiterals.ts, 32, 15))
>T : Symbol(T, Decl(functionLiterals.ts, 32, 12))
func3: { <T>(x: T): number }; // Object type literal
>func3 : Symbol(func3, Decl(functionLiterals.ts, 32, 31))
>T : Symbol(T, Decl(functionLiterals.ts, 33, 14))
>x : Symbol(x, Decl(functionLiterals.ts, 33, 17))
>T : Symbol(T, Decl(functionLiterals.ts, 33, 14))
}
// no errors
b2.func1 = b2.func2;
>b2.func1 : Symbol(func1, Decl(functionLiterals.ts, 30, 9))
>b2 : Symbol(b2, Decl(functionLiterals.ts, 30, 3))
>func1 : Symbol(func1, Decl(functionLiterals.ts, 30, 9))
>b2.func2 : Symbol(func2, Decl(functionLiterals.ts, 31, 27))
>b2 : Symbol(b2, Decl(functionLiterals.ts, 30, 3))
>func2 : Symbol(func2, Decl(functionLiterals.ts, 31, 27))
b2.func1 = b2.func3;
>b2.func1 : Symbol(func1, Decl(functionLiterals.ts, 30, 9))
>b2 : Symbol(b2, Decl(functionLiterals.ts, 30, 3))
>func1 : Symbol(func1, Decl(functionLiterals.ts, 30, 9))
>b2.func3 : Symbol(func3, Decl(functionLiterals.ts, 32, 31))
>b2 : Symbol(b2, Decl(functionLiterals.ts, 30, 3))
>func3 : Symbol(func3, Decl(functionLiterals.ts, 32, 31))
b2.func2 = b2.func1;
>b2.func2 : Symbol(func2, Decl(functionLiterals.ts, 31, 27))
>b2 : Symbol(b2, Decl(functionLiterals.ts, 30, 3))
>func2 : Symbol(func2, Decl(functionLiterals.ts, 31, 27))
>b2.func1 : Symbol(func1, Decl(functionLiterals.ts, 30, 9))
>b2 : Symbol(b2, Decl(functionLiterals.ts, 30, 3))
>func1 : Symbol(func1, Decl(functionLiterals.ts, 30, 9))
b2.func2 = b2.func3;
>b2.func2 : Symbol(func2, Decl(functionLiterals.ts, 31, 27))
>b2 : Symbol(b2, Decl(functionLiterals.ts, 30, 3))
>func2 : Symbol(func2, Decl(functionLiterals.ts, 31, 27))
>b2.func3 : Symbol(func3, Decl(functionLiterals.ts, 32, 31))
>b2 : Symbol(b2, Decl(functionLiterals.ts, 30, 3))
>func3 : Symbol(func3, Decl(functionLiterals.ts, 32, 31))
b2.func3 = b2.func1;
>b2.func3 : Symbol(func3, Decl(functionLiterals.ts, 32, 31))
>b2 : Symbol(b2, Decl(functionLiterals.ts, 30, 3))
>func3 : Symbol(func3, Decl(functionLiterals.ts, 32, 31))
>b2.func1 : Symbol(func1, Decl(functionLiterals.ts, 30, 9))
>b2 : Symbol(b2, Decl(functionLiterals.ts, 30, 3))
>func1 : Symbol(func1, Decl(functionLiterals.ts, 30, 9))
b2.func3 = b2.func2;
>b2.func3 : Symbol(func3, Decl(functionLiterals.ts, 32, 31))
>b2 : Symbol(b2, Decl(functionLiterals.ts, 30, 3))
>func3 : Symbol(func3, Decl(functionLiterals.ts, 32, 31))
>b2.func2 : Symbol(func2, Decl(functionLiterals.ts, 31, 27))
>b2 : Symbol(b2, Decl(functionLiterals.ts, 30, 3))
>func2 : Symbol(func2, Decl(functionLiterals.ts, 31, 27))
var c2: {
>c2 : Symbol(c2, Decl(functionLiterals.ts, 44, 3))
func4<T>(x: T): number;
>func4 : Symbol(func4, Decl(functionLiterals.ts, 44, 9), Decl(functionLiterals.ts, 45, 27))
>T : Symbol(T, Decl(functionLiterals.ts, 45, 10))
>x : Symbol(x, Decl(functionLiterals.ts, 45, 13))
>T : Symbol(T, Decl(functionLiterals.ts, 45, 10))
func4<T>(s: T): string;
>func4 : Symbol(func4, Decl(functionLiterals.ts, 44, 9), Decl(functionLiterals.ts, 45, 27))
>T : Symbol(T, Decl(functionLiterals.ts, 46, 10))
>s : Symbol(s, Decl(functionLiterals.ts, 46, 13))
>T : Symbol(T, Decl(functionLiterals.ts, 46, 10))
func5: {
>func5 : Symbol(func5, Decl(functionLiterals.ts, 46, 27))
<T>(x: T): number;
>T : Symbol(T, Decl(functionLiterals.ts, 48, 9))
>x : Symbol(x, Decl(functionLiterals.ts, 48, 12))
>T : Symbol(T, Decl(functionLiterals.ts, 48, 9))
<T>(s: T): string;
>T : Symbol(T, Decl(functionLiterals.ts, 49, 9))
>s : Symbol(s, Decl(functionLiterals.ts, 49, 12))
>T : Symbol(T, Decl(functionLiterals.ts, 49, 9))
};
};
// no errors
c2.func4 = c2.func5;
>c2.func4 : Symbol(func4, Decl(functionLiterals.ts, 44, 9), Decl(functionLiterals.ts, 45, 27))
>c2 : Symbol(c2, Decl(functionLiterals.ts, 44, 3))
>func4 : Symbol(func4, Decl(functionLiterals.ts, 44, 9), Decl(functionLiterals.ts, 45, 27))
>c2.func5 : Symbol(func5, Decl(functionLiterals.ts, 46, 27))
>c2 : Symbol(c2, Decl(functionLiterals.ts, 44, 3))
>func5 : Symbol(func5, Decl(functionLiterals.ts, 46, 27))
c2.func5 = c2.func4;
>c2.func5 : Symbol(func5, Decl(functionLiterals.ts, 46, 27))
>c2 : Symbol(c2, Decl(functionLiterals.ts, 44, 3))
>func5 : Symbol(func5, Decl(functionLiterals.ts, 46, 27))
>c2.func4 : Symbol(func4, Decl(functionLiterals.ts, 44, 9), Decl(functionLiterals.ts, 45, 27))
>c2 : Symbol(c2, Decl(functionLiterals.ts, 44, 3))
>func4 : Symbol(func4, Decl(functionLiterals.ts, 44, 9), Decl(functionLiterals.ts, 45, 27))
|
