7 lines
359 B
TypeScript
7 lines
359 B
TypeScript
declare function create<T>(initialValues?: T[]): MyArrayWrapper<T>;
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interface MyArrayWrapper<T> {
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constructor(initialItems?: T[]);
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doSomething(predicate: (x: T, y: T) => boolean): void;
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}
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var thing = create([ { name: "bob", id: 24 }, { name: "doug", id: 32 } ]); // should not error
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thing.doSomething((x, y) => x.name === "bob"); // should not error
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