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‎CHANGELOG.md

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### Packages
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<section class="package" id="array-base-unreleased">
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#### [@stdlib/array/base](https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/array/base)
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<details>
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<section class="features">
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##### Features
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- [`42664da`](https://github.com/stdlib-js/stdlib/commit/42664dafb94e72a8b8eca80ede6669caaaf57e68) - add `nulls` to namespace
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</section>
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<!-- /.features -->
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</details>
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</section>
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<!-- /.package -->
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<section class="package" id="array-base-assert-unreleased">
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#### [@stdlib/array/base/assert](https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/array/base/assert)
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<!-- /.package -->
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<section class="package" id="array-base-nulls-unreleased">
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#### [@stdlib/array/base/nulls](https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/array/base/nulls)
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<details>
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<section class="features">
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##### Features
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- [`6d91993`](https://github.com/stdlib-js/stdlib/commit/6d9199381c3e949420349ba3506ecd59c692be44) - add `array/base/nulls`
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</section>
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<!-- /.features -->
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</details>
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</section>
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<!-- /.package -->
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<section class="package" id="array-bool-unreleased">
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#### [@stdlib/array/bool](https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/array/bool)
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<details>
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- [`42664da`](https://github.com/stdlib-js/stdlib/commit/42664dafb94e72a8b8eca80ede6669caaaf57e68) - **feat:** add `nulls` to namespace _(by Athan Reines)_
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- [`6d91993`](https://github.com/stdlib-js/stdlib/commit/6d9199381c3e949420349ba3506ecd59c692be44) - **feat:** add `array/base/nulls` _(by Athan Reines)_
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- [`b723a6e`](https://github.com/stdlib-js/stdlib/commit/b723a6eaec97adad2da4ffbecb532a3d1ae1e0ba) - **docs:** fix errors in comments and clean-up _(by Philipp Burckhardt)_
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- [`eb82943`](https://github.com/stdlib-js/stdlib/commit/eb82943ec2ac2b3023377cbc320486d333f47e48) - **chore:** minor clean-up _(by Philipp Burckhardt)_
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- [`3c8bcb9`](https://github.com/stdlib-js/stdlib/commit/3c8bcb938befe35d784ba3fe0dea124dd4b20b36) - **chore:** minor clean-up _(by Philipp Burckhardt)_

‎base/lib/index.js

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*/
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setReadOnly( ns, 'noneByRight', require( './../../base/none-by-right' ) );
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/**
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* @name nulls
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* @memberof ns
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* @readonly
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* @type {Function}
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* @see {@link module:@stdlib/array/base/nulls}
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*/
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setReadOnly( ns, 'nulls', require( './../../base/nulls' ) );
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/**
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* @name oneTo
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* @memberof ns

‎base/nulls/README.md

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<!--
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@license Apache-2.0
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Copyright (c) 2024 The Stdlib Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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# nulls
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> Create a "generic" array filled with null values.
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<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->
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<section class="intro">
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</section>
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<!-- /.intro -->
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<!-- Package usage documentation. -->
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<section class="usage">
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## Usage
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```javascript
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var nulls = require( '@stdlib/array/base/nulls' );
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```
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#### nulls( len )
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Returns a "generic" array filled with `null` values.
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```javascript
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var out = nulls( 3 );
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// returns [ null, null, null ]
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```
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</section>
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<!-- /.usage -->
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<!-- Package usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
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<section class="notes">
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</section>
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<!-- /.notes -->
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<!-- Package usage examples. -->
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<section class="examples">
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## Examples
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<!-- eslint no-undef: "error" -->
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```javascript
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var nulls = require( '@stdlib/array/base/nulls' );
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// Create a null value array:
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var arr = nulls( 10 );
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console.log( arr );
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// => [ null, null, null, null, null, null, null, null, null, null ]
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```
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</section>
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<!-- /.examples -->
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<!-- Section to include cited references. If references are included, add a horizontal rule *before* the section. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
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<section class="references">
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</section>
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<!-- /.references -->
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<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
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<section class="related">
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</section>
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<!-- /.related -->
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<!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
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<section class="links">
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</section>
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<!-- /.links -->

‎base/nulls/benchmark/benchmark.length.js

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2024 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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// MODULES //
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var bench = require( '@stdlib/bench' );
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var pow = require( '@stdlib/math/base/special/pow' );
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var isArray = require( '@stdlib/assert/is-array' );
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var pkg = require( './../package.json' ).name;
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var nulls = require( './../lib' );
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// FUNCTIONS //
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/**
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* Creates a benchmark function.
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*
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* @private
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* @param {PositiveInteger} len - array length
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* @returns {Function} benchmark function
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*/
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function createBenchmark( len ) {
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return benchmark;
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/**
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* Benchmark function.
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*
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* @private
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* @param {Benchmark} b - benchmark instance
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*/
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function benchmark( b ) {
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var out;
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var i;
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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out = nulls( len );
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if ( out.length !== len ) {
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b.fail( 'unexpected length' );
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}
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}
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b.toc();
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if ( !isArray( out ) ) {
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b.fail( 'should return an array' );
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}
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b.pass( 'benchmark finished' );
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b.end();
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}
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}
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// MAIN //
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/**
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* Main execution sequence.
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*
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* @private
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*/
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function main() {
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var len;
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var min;
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var max;
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var f;
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var i;
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min = 1; // 10^min
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max = 6; // 10^max
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for ( i = min; i <= max; i++ ) {
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len = pow( 10, i );
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f = createBenchmark( len );
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bench( pkg+':len='+len, f );
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}
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}
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main();

‎base/nulls/docs/repl.txt

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{{alias}}( len )
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Returns a "generic" array filled with null values.
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Parameters
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----------
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len: integer
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Array length.
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Returns
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-------
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out: Array
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Output array.
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Examples
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--------
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> var out = {{alias}}( 3 )
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[ null, null, null ]
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See Also
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--------
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‎base/nulls/docs/types/index.d.ts

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/*
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* @license Apache-2.0
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*
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* Copyright (c) 2024 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// TypeScript Version: 4.1
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/**
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* Returns a "generic" array filled with nulls.
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*
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* @param len - array length
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* @returns output array
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*
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* @example
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* var out = nulls( 3 );
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* // returns [ null, null, null ]
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*/
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declare function nulls( len: number ): Array<null>;
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// EXPORTS //
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export = nulls;

‎base/nulls/docs/types/test.ts

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/*
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* @license Apache-2.0
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*
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* Copyright (c) 2024 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import nulls = require( './index' );
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// TESTS //
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// The function returns an array...
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{
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nulls( 3 ); // $ExpectType null[]
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}
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// The compiler throws an error if the function is provided an argument which is not a number...
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{
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nulls( 'abc' ); // $ExpectError
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nulls( true ); // $ExpectError
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nulls( false ); // $ExpectError
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nulls( null ); // $ExpectError
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nulls( [] ); // $ExpectError
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nulls( {} ); // $ExpectError
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nulls( ( x: number ): number => x ); // $ExpectError
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}
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// The compiler throws an error if the function is provided an unsupported number of arguments...
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{
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nulls(); // $ExpectError
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nulls( 3, 2 ); // $ExpectError
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}

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