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@stdlib/array

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/* * @license Apache-2.0 * * Copyright (c) 2023 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ // TypeScript Version: 4.1 /// <reference types="@stdlib/types"/> import { DataTypeMap } from '@stdlib/types/array'; /** * Creates an uninitialized array having a specified length. * * ## Notes * * - In browser environments, the function always returns zero-filled arrays. * - If `dtype` is `'generic'`, the function always returns a zero-filled array. * - In Node.js versions `>=3.0.0`, the underlying memory of returned typed arrays is **not** initialized. Memory contents are unknown and may contain **sensitive** data. * * @param length - array length * @param dtype - data type (default: 'float64') * @returns empty array * * @example * var arr = empty( 2 ); * // returns <Float64Array> * * @example * var arr = empty( 2, 'float32' ); * // returns <Float32Array> */ declare function empty<T extends keyof DataTypeMap<number> = 'float64'>( length: number, dtype?: T ): DataTypeMap<number>[T]; // EXPORTS // export = empty;