23 lines
684 B
TypeScript
23 lines
684 B
TypeScript
// all the following should be valid
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function fn1(): number { return 1; }
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function fn2(): string { return ''; }
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function fn3(): void { return undefined; }
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function fn4(): void { return; }
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function fn5(): boolean { return true; }
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function fn6(): Date { return new Date(12); }
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function fn7(): any { return null; }
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function fn8(): any { return; } // OK, eq. to 'return undefined'
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interface I { id: number }
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class C implements I {
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id: number;
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dispose() {}
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}
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class D extends C {
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name: string;
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}
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function fn10(): I { return { id: 12 }; }
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function fn11(): I { return new C(); }
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function fn12(): C { return new D(); }
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function fn13(): C { return null; }
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