19 lines
1 KiB
Plaintext
19 lines
1 KiB
Plaintext
tests/cases/compiler/maxConstraints.ts(5,6): error TS2313: Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
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tests/cases/compiler/maxConstraints.ts(8,22): error TS2345: Argument of type 'number' is not assignable to parameter of type 'Comparable<any>'.
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Property 'compareTo' is missing in type 'Number'.
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==== tests/cases/compiler/maxConstraints.ts (2 errors) ====
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interface Comparable<T> {
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compareTo(other: T): number;
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}
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interface Comparer {
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<T extends Comparable<T>>(x: T, y: T): T;
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~~~~~~~~~~~~~~~~~~~~~~~
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!!! error TS2313: Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
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}
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var max2: Comparer = (x, y) => { return (x.compareTo(y) > 0) ? x : y };
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var maxResult = max2(1, 2);
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~
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!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'Comparable<any>'.
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!!! error TS2345: Property 'compareTo' is missing in type 'Number'. |