18 lines
616 B
TypeScript
18 lines
616 B
TypeScript
interface Collection<T> {
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length: number;
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add(x: T): void;
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remove(x: T): boolean;
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}
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interface Combinators {
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map<T, U>(c: Collection<T>, f: (x: T) => U): Collection<U>;
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map<T>(c: Collection<T>, f: (x: T) => any): Collection<any>;
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}
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var _: Combinators;
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var c2: Collection<number>;
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var rf1 = (x: number) => { return x.toFixed() };
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var r1a = _.map(c2, (x) => { return x.toFixed() });
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var r1b = _.map(c2, rf1); // this line should not cause the following 2 to have errors
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var r5a = _.map<number, string>(c2, (x) => { return x.toFixed() });
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var r5b = _.map<number, string>(c2, rf1); |