18 lines
643 B
Plaintext
18 lines
643 B
Plaintext
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==== tests/cases/compiler/extendedInterfacesWithDuplicateTypeParameters.ts (3 errors) ====
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interface InterfaceWithMultipleTypars<A, A> { // should error
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~
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!!! Duplicate identifier 'A'.
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bar(): void;
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}
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interface InterfaceWithSomeTypars<B> { // should not error
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bar(): void;
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}
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interface InterfaceWithSomeTypars<C, C> { // should error
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~~~~~~~~~~~~~~~~~~~~~~~
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!!! All declarations of an interface must have identical type parameters.
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~
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!!! Duplicate identifier 'C'.
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bar2(): void;
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}
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