21 lines
969 B
Plaintext
21 lines
969 B
Plaintext
==== tests/cases/compiler/constantOverloadFunctionNoSubtypeError.ts (3 errors) ====
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class Base { foo() { } }
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class Derived1 extends Base { bar() { } }
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class Derived2 extends Base { baz() { } }
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class Derived3 extends Base { biz() { } }
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function foo(tagName: 'canvas'): Derived3;
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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!!! error TS2382: Specialized overload signature is not assignable to any non-specialized signature.
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function foo(tagName: 'div'): Derived2;
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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!!! error TS2382: Specialized overload signature is not assignable to any non-specialized signature.
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function foo(tagName: 'span'): Derived1;
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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!!! error TS2382: Specialized overload signature is not assignable to any non-specialized signature.
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function foo(tagName: number): Base;
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function foo(tagName: any): Base {
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return null;
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}
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