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
|
tests/cases/compiler/genericTypeAssertions5.ts(19,5): error TS2322: Type 'A' is not assignable to type 'T'.
tests/cases/compiler/genericTypeAssertions5.ts(20,5): error TS2322: Type 'B' is not assignable to type 'T'.
tests/cases/compiler/genericTypeAssertions5.ts(21,5): error TS2322: Type 'C' is not assignable to type 'T'.
tests/cases/compiler/genericTypeAssertions5.ts(23,9): error TS2352: Type 'B' cannot be converted to type 'T'.
tests/cases/compiler/genericTypeAssertions5.ts(24,9): error TS2352: Type 'C' cannot be converted to type 'T'.
==== tests/cases/compiler/genericTypeAssertions5.ts (5 errors) ====
interface A {
foo(): string;
}
interface B extends A {
bar(): number;
}
interface C extends A {
baz(): number;
}
var a: A;
var b: B;
var c: C;
function foo2<T extends A>(x: T) {
var y = x;
y = a; // error: cannot convert A to T
~
!!! error TS2322: Type 'A' is not assignable to type 'T'.
y = b; // error: cannot convert B to T
~
!!! error TS2322: Type 'B' is not assignable to type 'T'.
y = c; // error: cannot convert C to T
~
!!! error TS2322: Type 'C' is not assignable to type 'T'.
y = <T>a;
y = <T>b; // error: cannot convert B to T
~~~~
!!! error TS2352: Type 'B' cannot be converted to type 'T'.
y = <T>c; // error: cannot convert C to T
~~~~
!!! error TS2352: Type 'C' cannot be converted to type 'T'.
}
|
