File: getAndSetNotIdenticalType2.errors.txt

package info (click to toggle)
node-typescript 5.0.4%2Bds1-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 459,116 kB
  • sloc: javascript: 1,972,754; makefile: 6; sh: 1
file content (36 lines) | stat: -rw-r--r-- 1,748 bytes parent folder | download
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
tests/cases/compiler/getAndSetNotIdenticalType2.ts(5,9): error TS2380: The return type of a 'get' accessor must be assignable to its 'set' accessor type
  Type 'T' is not assignable to type 'string'.
tests/cases/compiler/getAndSetNotIdenticalType2.ts(9,9): error TS2322: Type 'A<string>' is not assignable to type 'A<T>'.
  Type 'string' is not assignable to type 'T'.
    'T' could be instantiated with an arbitrary type which could be unrelated to 'string'.
tests/cases/compiler/getAndSetNotIdenticalType2.ts(15,1): error TS2322: Type 'A<unknown>' is not assignable to type 'A<string>'.
  Type 'unknown' is not assignable to type 'string'.


==== tests/cases/compiler/getAndSetNotIdenticalType2.ts (3 errors) ====
    class A<T> { foo: T; }
    
    class C<T> {
        data: A<T>;
        get x(): A<T> {
            ~
!!! error TS2380: The return type of a 'get' accessor must be assignable to its 'set' accessor type
!!! error TS2380:   Type 'T' is not assignable to type 'string'.
!!! related TS2208 tests/cases/compiler/getAndSetNotIdenticalType2.ts:3:9: This type parameter might need an `extends string` constraint.
            return this.data;
        }
        set x(v: A<string>) {
            this.data = v;
            ~~~~~~~~~
!!! error TS2322: Type 'A<string>' is not assignable to type 'A<T>'.
!!! error TS2322:   Type 'string' is not assignable to type 'T'.
!!! error TS2322:     'T' could be instantiated with an arbitrary type which could be unrelated to 'string'.
        }
    }
    
    var x = new C();
    var r = x.x;
    x.x = r;
    ~~~
!!! error TS2322: Type 'A<unknown>' is not assignable to type 'A<string>'.
!!! error TS2322:   Type 'unknown' is not assignable to type 'string'.