15 lines
781 B
Plaintext
15 lines
781 B
Plaintext
==== tests/cases/compiler/overloadOnConstInheritance2.ts (2 errors) ====
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interface Base {
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addEventListener(x: string): any;
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addEventListener(x: 'foo'): string;
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}
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interface Deriver extends Base {
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~~~~~~~
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!!! error TS2429: Interface 'Deriver' incorrectly extends interface 'Base':
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!!! error TS2429: Types of property 'addEventListener' are incompatible:
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!!! error TS2429: Type '(x: 'bar') => string' is not assignable to type '{ (x: string): any; (x: 'foo'): string; }'.
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addEventListener(x: 'bar'): string; // shouldn't need to redeclare the string overload
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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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}
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