20 lines
No EOL
1.1 KiB
Text
20 lines
No EOL
1.1 KiB
Text
tests/cases/compiler/specializedSignatureAsCallbackParameter1.ts(7,4): error TS2345: Argument of type 'number' is not assignable to parameter of type 'string'.
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tests/cases/compiler/specializedSignatureAsCallbackParameter1.ts(8,4): error TS2345: Argument of type 'number' is not assignable to parameter of type 'string'.
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tests/cases/compiler/specializedSignatureAsCallbackParameter1.ts(8,7): error TS2381: A signature with an implementation cannot use a string literal type.
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==== tests/cases/compiler/specializedSignatureAsCallbackParameter1.ts (3 errors) ====
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function x3(a: number, cb: (x: number) => number);
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function x3(a: string, cb: (x: number) => number);
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function x3(a: any, cb: (x: number) => number) {
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cb(a);
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}
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// both are errors
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x3(1, (x: string) => 1);
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~
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!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'string'.
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x3(1, (x: 'hm') => 1);
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~
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!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'string'.
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~~~~~~~~~~~~~~
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!!! error TS2381: A signature with an implementation cannot use a string literal type. |