36 lines
1.3 KiB
Plaintext
36 lines
1.3 KiB
Plaintext
==== tests/cases/compiler/overloadingOnConstants2.ts (4 errors) ====
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class C {
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private x = 1;
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}
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class D extends C {}
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class E {
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private y = 1;
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}
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function foo(x: "hi", items: string[]): D;
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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!!! Specialized overload signature is not assignable to any non-specialized signature.
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function foo(x: "bye", items: string[]): E;
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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!!! Specialized overload signature is not assignable to any non-specialized signature.
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function foo(x: string, items: string[]): C {
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return null;
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}
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var a: D = foo("hi", []); // D
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var b: E = foo("bye", []); // E
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var c = foo("um", []); // error
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~~~~
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!!! Argument of type 'string' is not assignable to parameter of type '"bye"'.
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//function bar(x: "hi", items: string[]): D;
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function bar(x: "bye", items: string[]): E;
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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!!! Specialized overload signature is not assignable to any non-specialized signature.
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function bar(x: string, items: string[]): C;
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function bar(x: string, items: string[]): C {
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return null;
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}
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var d: D = bar("hi", []); // D
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var e: E = bar("bye", []); // E
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var f: C = bar("um", []); // C |