45 lines
786 B
TypeScript
45 lines
786 B
TypeScript
// @declaration: true
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function generic<T>(t: T) {
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var o: object = t; // expect error
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}
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var a = {};
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var b = "42";
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generic<object>({});
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generic<object>(a);
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generic<object>(123); // expect error
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generic<object>(b); // expect error
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function bound<T extends object>(t: T) {
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var o: object = t; // ok
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}
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bound({});
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bound(a);
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bound(123); // expect error
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bound(b); // expect error
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function bound2<T extends object>() {}
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bound2<{}>();
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bound2<Object>();
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bound2<number>(); // expect error
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bound2<string>(); // expect error
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function bound3<T extends {}>(t: T) {
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var o: object = t; // ok
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}
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interface Proxy<T extends object> {}
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var x: Proxy<number>; // error
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var y: Proxy<null>; // ok
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var z: Proxy<undefined> ; // ok
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interface Blah {
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foo: number;
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}
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var u: Proxy<Blah>; // ok
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