18 lines
776 B
Plaintext
18 lines
776 B
Plaintext
==== tests/cases/compiler/typeArgumentConstraintResolution1.ts (2 errors) ====
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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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~~~~
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!!! Type 'Date' does not satisfy the constraint 'Number':
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!!! Property 'toFixed' is missing in type 'Date'.
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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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~~~~
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!!! Type 'Date' does not satisfy the constraint 'Number'.
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