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Cumulatively test whether every element in a provided array is falsy.

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cunone

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Cumulatively test whether every element in a provided array is falsy.

Usage

import cunone from 'https://cdn.jsdelivr.net/gh/stdlib-js/array-base-cunone@deno/mod.js';

You can also import the following named exports from the package:

import { assign } from 'https://cdn.jsdelivr.net/gh/stdlib-js/array-base-cunone@deno/mod.js';

cunone( x )

Cumulatively tests whether every element in a provided array is falsy.

var x = [ false, false, false, true, false ];

var y = cunone( x );
// returns [ true, true, true, false, false ];

cunone.assign( x, out, stride, offset )

Cumulatively tests whether every element in a provided array is falsy and assigns results to a provided output array.

var x = [ false, false, false, true, false ];
var y = [ false, null, false, null, false, null, false, null, false, null ];

var out = cunone.assign( x, y, 2, 0 );
// returns [ true, null, true, null, true, null, false, null, false, null ]

var bool = ( out === y );
// returns true

The function supports the following parameters:

  • x: input array.
  • out: output array.
  • stride: output array stride.
  • offset: output array offset.

Examples

import bernoulli from 'https://cdn.jsdelivr.net/gh/stdlib-js/random-array-bernoulli@deno/mod.js';
import cunone from 'https://cdn.jsdelivr.net/gh/stdlib-js/array-base-cunone@deno/mod.js';

// Create an array of random values:
var x = bernoulli( 10, 0.1 );
console.log( x );

// Cumulatively determine whether values are falsy:
var out = cunone( x );
console.log( out );

Notice

This package is part of stdlib, a standard library with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.

For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.

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License

See LICENSE.

Copyright

Copyright © 2016-2025. The Stdlib Authors.