43 lines
1.6 KiB
Plaintext
43 lines
1.6 KiB
Plaintext
tests/cases/compiler/genericTypeAssertions4.ts(19,5): error TS2322: Type 'A' is not assignable to type 'T'.
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tests/cases/compiler/genericTypeAssertions4.ts(20,5): error TS2322: Type 'B' is not assignable to type 'T'.
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tests/cases/compiler/genericTypeAssertions4.ts(21,5): error TS2322: Type 'C' is not assignable to type 'T'.
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tests/cases/compiler/genericTypeAssertions4.ts(23,9): error TS2352: Neither type 'B' nor type 'T' is assignable to the other.
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tests/cases/compiler/genericTypeAssertions4.ts(24,9): error TS2352: Neither type 'C' nor type 'T' is assignable to the other.
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==== tests/cases/compiler/genericTypeAssertions4.ts (5 errors) ====
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class A {
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foo() { return ""; }
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}
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class B extends A {
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bar() { return 1; }
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}
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class C extends A {
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baz() { return 1; }
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}
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var a: A;
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var b: B;
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var c: C;
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function foo2<T extends A>(x: T) {
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var y = x;
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y = a; // error: cannot convert A to T
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~
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!!! error TS2322: Type 'A' is not assignable to type 'T'.
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y = b; // error: cannot convert B to T
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~
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!!! error TS2322: Type 'B' is not assignable to type 'T'.
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y = c; // error: cannot convert C to T
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~
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!!! error TS2322: Type 'C' is not assignable to type 'T'.
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y = <T>a;
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y = <T>b; // error: cannot convert B to T
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~~~~
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!!! error TS2352: Neither type 'B' nor type 'T' is assignable to the other.
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y = <T>c; // error: cannot convert C to T
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~~~~
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!!! error TS2352: Neither type 'C' nor type 'T' is assignable to the other.
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} |