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
|
//// [genericCallWithConstraintsTypeArgumentInference.ts]
// Basic type inference with generic calls and constraints, no errors expected
class Base { foo: string; }
class Derived extends Base { bar: string; }
class Derived2 extends Derived { baz: string; }
var b: Base;
var d1: Derived;
var d2: Derived2;
function foo<T extends Base>(t: T) {
return t;
}
var r = foo(b); // Base
var r2 = foo(d1); // Derived
function foo2<T extends Base, U extends Derived>(t: T, u: U) {
return u;
}
function foo2b<T extends Base, U extends Derived>(u: U) {
var x: T;
return x;
}
function foo2c<T extends Base, U extends Derived>() {
var x: T;
return x;
}
var r3 = foo2b(d1); // Base
var r3b = foo2c(); // Base
class C<T extends Base, U extends Derived> {
constructor(public t: T, public u: U) {
}
foo(t: T, u: U) {
return t;
}
foo2(t: T, u: U) {
return u;
}
foo3<T extends Derived>(t: T, u: U) {
return t;
}
foo4<U extends Derived2>(t: T, u: U) {
return t;
}
foo5<T extends Derived, U extends Derived2>(t: T, u: U) {
return t;
}
foo6<T extends Derived, U extends Derived2>() {
var x: T;
return x;
}
foo7<T extends Base, U extends Derived>(u: U) {
var x: T;
return x;
}
foo8<T extends Base, U extends Derived>() {
var x: T;
return x;
}
}
var c = new C(b, d1);
var r4 = c.foo(d1, d2); // Base
var r5 = c.foo2(b, d2); // Derived
var r6 = c.foo3(d1, d1); // Derived
var r7 = c.foo4(d1, d2); // Base
var r8 = c.foo5(d1, d2); // Derived
var r8b = c.foo5(d2, d2); // Derived2
var r9 = c.foo6(); // Derived
var r10 = c.foo7(d1); // Base
var r11 = c.foo8(); // Base
interface I<T extends Base, U extends Derived> {
new (t: T, u: U);
foo(t: T, u: U): T;
foo2(t: T, u: U): U;
foo3<T extends Derived>(t: T, u: U): T;
foo4<U extends Derived2>(t: T, u: U): T;
foo5<T extends Derived, U extends Derived2>(t: T, u: U): T;
foo6<T extends Derived, U extends Derived2>(): T;
foo7<T extends Base, U extends Derived>(u: U): T;
foo8<T extends Base, U extends Derived>(): T;
}
var i: I<Base, Derived>;
var r4 = i.foo(d1, d2); // Base
var r5 = i.foo2(b, d2); // Derived
var r6 = i.foo3(d1, d1); // Derived
var r7 = i.foo4(d1, d2); // Base
var r8 = i.foo5(d1, d2); // Derived
var r8b = i.foo5(d2, d2); // Derived2
var r9 = i.foo6(); // Derived
var r10 = i.foo7(d1); // Base
var r11 = i.foo8(); // Base
//// [genericCallWithConstraintsTypeArgumentInference.js]
// Basic type inference with generic calls and constraints, no errors expected
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var Base = /** @class */ (function () {
function Base() {
}
return Base;
}());
var Derived = /** @class */ (function (_super) {
__extends(Derived, _super);
function Derived() {
return _super !== null && _super.apply(this, arguments) || this;
}
return Derived;
}(Base));
var Derived2 = /** @class */ (function (_super) {
__extends(Derived2, _super);
function Derived2() {
return _super !== null && _super.apply(this, arguments) || this;
}
return Derived2;
}(Derived));
var b;
var d1;
var d2;
function foo(t) {
return t;
}
var r = foo(b); // Base
var r2 = foo(d1); // Derived
function foo2(t, u) {
return u;
}
function foo2b(u) {
var x;
return x;
}
function foo2c() {
var x;
return x;
}
var r3 = foo2b(d1); // Base
var r3b = foo2c(); // Base
var C = /** @class */ (function () {
function C(t, u) {
this.t = t;
this.u = u;
}
C.prototype.foo = function (t, u) {
return t;
};
C.prototype.foo2 = function (t, u) {
return u;
};
C.prototype.foo3 = function (t, u) {
return t;
};
C.prototype.foo4 = function (t, u) {
return t;
};
C.prototype.foo5 = function (t, u) {
return t;
};
C.prototype.foo6 = function () {
var x;
return x;
};
C.prototype.foo7 = function (u) {
var x;
return x;
};
C.prototype.foo8 = function () {
var x;
return x;
};
return C;
}());
var c = new C(b, d1);
var r4 = c.foo(d1, d2); // Base
var r5 = c.foo2(b, d2); // Derived
var r6 = c.foo3(d1, d1); // Derived
var r7 = c.foo4(d1, d2); // Base
var r8 = c.foo5(d1, d2); // Derived
var r8b = c.foo5(d2, d2); // Derived2
var r9 = c.foo6(); // Derived
var r10 = c.foo7(d1); // Base
var r11 = c.foo8(); // Base
var i;
var r4 = i.foo(d1, d2); // Base
var r5 = i.foo2(b, d2); // Derived
var r6 = i.foo3(d1, d1); // Derived
var r7 = i.foo4(d1, d2); // Base
var r8 = i.foo5(d1, d2); // Derived
var r8b = i.foo5(d2, d2); // Derived2
var r9 = i.foo6(); // Derived
var r10 = i.foo7(d1); // Base
var r11 = i.foo8(); // Base
|
