44 lines
1.4 KiB
TypeScript
44 lines
1.4 KiB
TypeScript
// @declaration: true
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declare const x: any;
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declare function f03<T extends string = number>(): void; // error
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declare function f04<T extends string, U extends number = T>(): void; // error
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declare function f05<T, U extends number = T>(): void; // error
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declare function f06<T, U extends T = number>(): void; // error
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declare function f11<T, U, V = number>(): void;
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f11(); // ok
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f11<1>(); // error
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f11<1, 2>(); // ok
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f11<1, 2, 3>(); // ok
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f11<1, 2, 3, 4>(); // error
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declare function f12<T, U = T>(a?: U): void;
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f12<number>(); // ok
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f12<number>("a"); // error
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interface i00<T> { } // ok
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interface i00<U = number> { } // error
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interface i01<T = number> { } // ok
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interface i01<T = string> { } // error
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interface i04<T = number, U> { } // error
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interface i05<T extends string = number> { } // error
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interface i06<T extends string, U extends number = T> { } // error
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interface i07<T, U extends number = T> { } // error
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interface i08<T, U extends T = number> { } // error
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interface i09<T, U, V = number> { }
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type i09t00 = i09; // error
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type i09t01 = i09<1>; // error
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type i09t02 = i09<1, 2>; // ok
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type i09t03 = i09<1, 2, 3>; // ok
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type i09t04 = i09<1, 2, 3, 4>; // error
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interface i10 { x: T; } // error
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interface i10<T = number> {}
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// https://github.com/Microsoft/TypeScript/issues/16221
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interface SelfReference<T = SelfReference> {} |