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
|
=== tests/cases/conformance/types/namedTypes/optionalMethods.ts ===
interface Foo {
>Foo : Symbol(Foo, Decl(optionalMethods.ts, 0, 0))
a: number;
>a : Symbol(Foo.a, Decl(optionalMethods.ts, 0, 15))
b?: number;
>b : Symbol(Foo.b, Decl(optionalMethods.ts, 1, 14))
f(): number;
>f : Symbol(Foo.f, Decl(optionalMethods.ts, 2, 15))
g?(): number;
>g : Symbol(Foo.g, Decl(optionalMethods.ts, 3, 16))
}
function test1(x: Foo) {
>test1 : Symbol(test1, Decl(optionalMethods.ts, 5, 1))
>x : Symbol(x, Decl(optionalMethods.ts, 7, 15))
>Foo : Symbol(Foo, Decl(optionalMethods.ts, 0, 0))
x.a;
>x.a : Symbol(Foo.a, Decl(optionalMethods.ts, 0, 15))
>x : Symbol(x, Decl(optionalMethods.ts, 7, 15))
>a : Symbol(Foo.a, Decl(optionalMethods.ts, 0, 15))
x.b;
>x.b : Symbol(Foo.b, Decl(optionalMethods.ts, 1, 14))
>x : Symbol(x, Decl(optionalMethods.ts, 7, 15))
>b : Symbol(Foo.b, Decl(optionalMethods.ts, 1, 14))
x.f;
>x.f : Symbol(Foo.f, Decl(optionalMethods.ts, 2, 15))
>x : Symbol(x, Decl(optionalMethods.ts, 7, 15))
>f : Symbol(Foo.f, Decl(optionalMethods.ts, 2, 15))
x.g;
>x.g : Symbol(Foo.g, Decl(optionalMethods.ts, 3, 16))
>x : Symbol(x, Decl(optionalMethods.ts, 7, 15))
>g : Symbol(Foo.g, Decl(optionalMethods.ts, 3, 16))
let f1 = x.f();
>f1 : Symbol(f1, Decl(optionalMethods.ts, 12, 7))
>x.f : Symbol(Foo.f, Decl(optionalMethods.ts, 2, 15))
>x : Symbol(x, Decl(optionalMethods.ts, 7, 15))
>f : Symbol(Foo.f, Decl(optionalMethods.ts, 2, 15))
let g1 = x.g && x.g();
>g1 : Symbol(g1, Decl(optionalMethods.ts, 13, 7))
>x.g : Symbol(Foo.g, Decl(optionalMethods.ts, 3, 16))
>x : Symbol(x, Decl(optionalMethods.ts, 7, 15))
>g : Symbol(Foo.g, Decl(optionalMethods.ts, 3, 16))
>x.g : Symbol(Foo.g, Decl(optionalMethods.ts, 3, 16))
>x : Symbol(x, Decl(optionalMethods.ts, 7, 15))
>g : Symbol(Foo.g, Decl(optionalMethods.ts, 3, 16))
let g2 = x.g ? x.g() : 0;
>g2 : Symbol(g2, Decl(optionalMethods.ts, 14, 7))
>x.g : Symbol(Foo.g, Decl(optionalMethods.ts, 3, 16))
>x : Symbol(x, Decl(optionalMethods.ts, 7, 15))
>g : Symbol(Foo.g, Decl(optionalMethods.ts, 3, 16))
>x.g : Symbol(Foo.g, Decl(optionalMethods.ts, 3, 16))
>x : Symbol(x, Decl(optionalMethods.ts, 7, 15))
>g : Symbol(Foo.g, Decl(optionalMethods.ts, 3, 16))
}
class Bar {
>Bar : Symbol(Bar, Decl(optionalMethods.ts, 15, 1))
a: number;
>a : Symbol(Bar.a, Decl(optionalMethods.ts, 17, 11))
b?: number;
>b : Symbol(Bar.b, Decl(optionalMethods.ts, 18, 14))
c? = 2;
>c : Symbol(Bar.c, Decl(optionalMethods.ts, 19, 15))
constructor(public d?: number, public e = 10) {}
>d : Symbol(Bar.d, Decl(optionalMethods.ts, 21, 16))
>e : Symbol(Bar.e, Decl(optionalMethods.ts, 21, 34))
f() {
>f : Symbol(Bar.f, Decl(optionalMethods.ts, 21, 52))
return 1;
}
g?(): number; // Body of optional method can be omitted
>g : Symbol(Bar.g, Decl(optionalMethods.ts, 24, 5))
h?() {
>h : Symbol(Bar.h, Decl(optionalMethods.ts, 25, 17))
return 2;
}
}
function test2(x: Bar) {
>test2 : Symbol(test2, Decl(optionalMethods.ts, 29, 1))
>x : Symbol(x, Decl(optionalMethods.ts, 31, 15))
>Bar : Symbol(Bar, Decl(optionalMethods.ts, 15, 1))
x.a;
>x.a : Symbol(Bar.a, Decl(optionalMethods.ts, 17, 11))
>x : Symbol(x, Decl(optionalMethods.ts, 31, 15))
>a : Symbol(Bar.a, Decl(optionalMethods.ts, 17, 11))
x.b;
>x.b : Symbol(Bar.b, Decl(optionalMethods.ts, 18, 14))
>x : Symbol(x, Decl(optionalMethods.ts, 31, 15))
>b : Symbol(Bar.b, Decl(optionalMethods.ts, 18, 14))
x.c;
>x.c : Symbol(Bar.c, Decl(optionalMethods.ts, 19, 15))
>x : Symbol(x, Decl(optionalMethods.ts, 31, 15))
>c : Symbol(Bar.c, Decl(optionalMethods.ts, 19, 15))
x.d;
>x.d : Symbol(Bar.d, Decl(optionalMethods.ts, 21, 16))
>x : Symbol(x, Decl(optionalMethods.ts, 31, 15))
>d : Symbol(Bar.d, Decl(optionalMethods.ts, 21, 16))
x.e;
>x.e : Symbol(Bar.e, Decl(optionalMethods.ts, 21, 34))
>x : Symbol(x, Decl(optionalMethods.ts, 31, 15))
>e : Symbol(Bar.e, Decl(optionalMethods.ts, 21, 34))
x.f;
>x.f : Symbol(Bar.f, Decl(optionalMethods.ts, 21, 52))
>x : Symbol(x, Decl(optionalMethods.ts, 31, 15))
>f : Symbol(Bar.f, Decl(optionalMethods.ts, 21, 52))
x.g;
>x.g : Symbol(Bar.g, Decl(optionalMethods.ts, 24, 5))
>x : Symbol(x, Decl(optionalMethods.ts, 31, 15))
>g : Symbol(Bar.g, Decl(optionalMethods.ts, 24, 5))
let f1 = x.f();
>f1 : Symbol(f1, Decl(optionalMethods.ts, 39, 7))
>x.f : Symbol(Bar.f, Decl(optionalMethods.ts, 21, 52))
>x : Symbol(x, Decl(optionalMethods.ts, 31, 15))
>f : Symbol(Bar.f, Decl(optionalMethods.ts, 21, 52))
let g1 = x.g && x.g();
>g1 : Symbol(g1, Decl(optionalMethods.ts, 40, 7))
>x.g : Symbol(Bar.g, Decl(optionalMethods.ts, 24, 5))
>x : Symbol(x, Decl(optionalMethods.ts, 31, 15))
>g : Symbol(Bar.g, Decl(optionalMethods.ts, 24, 5))
>x.g : Symbol(Bar.g, Decl(optionalMethods.ts, 24, 5))
>x : Symbol(x, Decl(optionalMethods.ts, 31, 15))
>g : Symbol(Bar.g, Decl(optionalMethods.ts, 24, 5))
let g2 = x.g ? x.g() : 0;
>g2 : Symbol(g2, Decl(optionalMethods.ts, 41, 7))
>x.g : Symbol(Bar.g, Decl(optionalMethods.ts, 24, 5))
>x : Symbol(x, Decl(optionalMethods.ts, 31, 15))
>g : Symbol(Bar.g, Decl(optionalMethods.ts, 24, 5))
>x.g : Symbol(Bar.g, Decl(optionalMethods.ts, 24, 5))
>x : Symbol(x, Decl(optionalMethods.ts, 31, 15))
>g : Symbol(Bar.g, Decl(optionalMethods.ts, 24, 5))
let h1 = x.h && x.h();
>h1 : Symbol(h1, Decl(optionalMethods.ts, 42, 7))
>x.h : Symbol(Bar.h, Decl(optionalMethods.ts, 25, 17))
>x : Symbol(x, Decl(optionalMethods.ts, 31, 15))
>h : Symbol(Bar.h, Decl(optionalMethods.ts, 25, 17))
>x.h : Symbol(Bar.h, Decl(optionalMethods.ts, 25, 17))
>x : Symbol(x, Decl(optionalMethods.ts, 31, 15))
>h : Symbol(Bar.h, Decl(optionalMethods.ts, 25, 17))
let h2 = x.h ? x.h() : 0;
>h2 : Symbol(h2, Decl(optionalMethods.ts, 43, 7))
>x.h : Symbol(Bar.h, Decl(optionalMethods.ts, 25, 17))
>x : Symbol(x, Decl(optionalMethods.ts, 31, 15))
>h : Symbol(Bar.h, Decl(optionalMethods.ts, 25, 17))
>x.h : Symbol(Bar.h, Decl(optionalMethods.ts, 25, 17))
>x : Symbol(x, Decl(optionalMethods.ts, 31, 15))
>h : Symbol(Bar.h, Decl(optionalMethods.ts, 25, 17))
}
class Base {
>Base : Symbol(Base, Decl(optionalMethods.ts, 44, 1))
a?: number;
>a : Symbol(Base.a, Decl(optionalMethods.ts, 46, 12))
f?(): number;
>f : Symbol(Base.f, Decl(optionalMethods.ts, 47, 15))
}
class Derived extends Base {
>Derived : Symbol(Derived, Decl(optionalMethods.ts, 49, 1))
>Base : Symbol(Base, Decl(optionalMethods.ts, 44, 1))
a = 1;
>a : Symbol(Derived.a, Decl(optionalMethods.ts, 51, 28))
f(): number { return 1; }
>f : Symbol(Derived.f, Decl(optionalMethods.ts, 52, 10))
}
|
