33 lines
2.4 KiB
Plaintext
33 lines
2.4 KiB
Plaintext
tests/cases/compiler/genericRestArgs.ts(2,12): error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
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Type argument candidate 'number' is not a valid type argument because it is not a supertype of candidate 'string'.
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tests/cases/compiler/genericRestArgs.ts(5,34): error TS2345: Argument of type 'string' is not assignable to parameter of type 'number'.
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tests/cases/compiler/genericRestArgs.ts(10,12): error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
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Type argument candidate 'number' is not a valid type argument because it is not a supertype of candidate 'string'.
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tests/cases/compiler/genericRestArgs.ts(12,30): error TS2345: Argument of type 'number' is not assignable to parameter of type 'any[]'.
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Property 'length' is missing in type 'Number'.
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==== tests/cases/compiler/genericRestArgs.ts (4 errors) ====
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function makeArrayG<T>(...items: T[]): T[] { return items; }
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var a1Ga = makeArrayG(1, ""); // no error
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~~~~~~~~~~
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!!! error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
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!!! error TS2453: Type argument candidate 'number' is not a valid type argument because it is not a supertype of candidate 'string'.
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var a1Gb = makeArrayG<any>(1, "");
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var a1Gc = makeArrayG<Object>(1, "");
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var a1Gd = makeArrayG<number>(1, ""); // error
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~~
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!!! error TS2345: Argument of type 'string' is not assignable to parameter of type 'number'.
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function makeArrayGOpt<T>(item1?: T, item2?: T, item3?: T) {
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return [item1, item2, item3];
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}
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var a2Ga = makeArrayGOpt(1, "");
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~~~~~~~~~~~~~
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!!! error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
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!!! error TS2453: Type argument candidate 'number' is not a valid type argument because it is not a supertype of candidate 'string'.
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var a2Gb = makeArrayG<any>(1, "");
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var a2Gc = makeArrayG<any[]>(1, ""); // error
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~
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!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'any[]'.
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!!! error TS2345: Property 'length' is missing in type 'Number'. |