33 lines
962 B
TypeScript
33 lines
962 B
TypeScript
//// [typeParameterAsTypeParameterConstraint2.ts]
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// using a type parameter as a constraint for a type parameter is invalid
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// these should be errors unless otherwise noted
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function foo<T, U extends T>(x: T, y: U): U { return y; } // this is now an error
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foo(1, '');
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foo(1, {});
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interface NumberVariant extends Number {
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x: number;
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}
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var n: NumberVariant;
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var r3 = foo(1, n);
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function foo2<T, U extends { length: T }>(x: T, y: U) { return y; } // this is now an error
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foo2(1, { length: '' });
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foo2(1, { length: {} });
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foo2([], ['']);
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//// [typeParameterAsTypeParameterConstraint2.js]
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// using a type parameter as a constraint for a type parameter is invalid
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// these should be errors unless otherwise noted
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function foo(x, y) { return y; } // this is now an error
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foo(1, '');
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foo(1, {});
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var n;
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var r3 = foo(1, n);
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function foo2(x, y) { return y; } // this is now an error
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foo2(1, { length: '' });
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foo2(1, { length: {} });
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foo2([], ['']);
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