12 lines
447 B
TypeScript
12 lines
447 B
TypeScript
function foo1<T extends Date>(test: T);
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function foo1<T extends Number>(test: string);
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function foo1<T extends String>(test: any) { }
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foo1<Date>(""); // should error
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function foo2<T extends Date>(test: T): T;
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function foo2<T extends Number>(test: string): T;
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function foo2<T extends String>(test: any): any { return null; }
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foo2<Date>(""); // Type Date does not satisfy the constraint 'Number' for type parameter 'T extends Number'
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