24 lines
1.2 KiB
TypeScript
24 lines
1.2 KiB
TypeScript
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var numOrDate: number | Date;
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var anyVar: number;
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// If each type in U has a string index signature,
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// U has a string index signature of a union type of the types of the string index signatures from each type in U.
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var unionOfDifferentReturnType: { [a: string]: number; } | { [a: string]: Date; };
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numOrDate = unionOfDifferentReturnType["hello"]; // number | Date
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numOrDate = unionOfDifferentReturnType[10]; // number | Date
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var unionOfTypesWithAndWithoutStringSignature: { [a: string]: number; } | boolean;
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anyVar = unionOfTypesWithAndWithoutStringSignature["hello"]; // any
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anyVar = unionOfTypesWithAndWithoutStringSignature[10]; // any
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// If each type in U has a numeric index signature,
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// U has a numeric index signature of a union type of the types of the numeric index signatures from each type in U.
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var unionOfDifferentReturnType1: { [a: number]: number; } | { [a: number]: Date; };
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numOrDate = unionOfDifferentReturnType1["hello"]; // any
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numOrDate = unionOfDifferentReturnType1[10]; // number | Date
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var unionOfTypesWithAndWithoutStringSignature1: { [a: number]: number; } | boolean;
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anyVar = unionOfTypesWithAndWithoutStringSignature1["hello"]; // any
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anyVar = unionOfTypesWithAndWithoutStringSignature1[10]; // any
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