25 lines
1.5 KiB
Plaintext
25 lines
1.5 KiB
Plaintext
tests/cases/compiler/mismatchedExplicitTypeParameterAndArgumentType.ts(10,30): error TS2345: Argument of type '(string | number)[]' is not assignable to parameter of type 'number[]'.
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Type 'string | number' is not assignable to type 'number'.
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Type 'string' is not assignable to type 'number'.
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tests/cases/compiler/mismatchedExplicitTypeParameterAndArgumentType.ts(11,11): error TS2346: Supplied parameters do not match any signature of call target.
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==== tests/cases/compiler/mismatchedExplicitTypeParameterAndArgumentType.ts (2 errors) ====
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function map<T, U>(xs: T[], f: (x: T) => U) {
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var ys: U[] = [];
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xs.forEach(x => ys.push(f(x)));
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return ys;
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}
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var r0 = map([1, ""], (x) => x.toString());
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var r5 = map<any, any>([1, ""], (x) => x.toString());
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var r6 = map<Object, Object>([1, ""], (x) => x.toString());
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var r7 = map<number, string>([1, ""], (x) => x.toString()); // error
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~~~~~~~
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!!! error TS2345: Argument of type '(string | number)[]' is not assignable to parameter of type 'number[]'.
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!!! error TS2345: Type 'string | number' is not assignable to type 'number'.
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!!! error TS2345: Type 'string' is not assignable to type 'number'.
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var r7b = map<number>([1, ""], (x) => x.toString()); // error
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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!!! error TS2346: Supplied parameters do not match any signature of call target.
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var r8 = map<any, string>([1, ""], (x) => x.toString()); |