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https://github.com/FlipsideCrypto/DefinitelyTyped.git
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59020cc50a
* array.prototype.flatmap: support ReadonlyArray * array.prototype.flatmap: support readonly result from callback
14 lines
389 B
TypeScript
14 lines
389 B
TypeScript
interface Array<T> {
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flatMap<U, R extends object | undefined = undefined>(
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fn: (this: R, x: T, index: number, array: this) => ReadonlyArray<U>,
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thisArg?: R
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): U[];
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}
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interface ReadonlyArray<T> {
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flatMap<U, R extends object | undefined = undefined>(
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fn: (this: R, x: T, index: number, array: this) => ReadonlyArray<U>,
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thisArg?: R
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): U[];
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}
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