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@stdlib/assert

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Standard assertion utilities.

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<!-- @license Apache-2.0 Copyright (c) 2018 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. --> # isCircularArray > Test if a value is an array containing a circular reference. <section class="usage"> ## Usage ```javascript var isCircularArray = require( '@stdlib/assert/is-circular-array' ); ``` #### isCircularArray( value ) Tests if a `value` is an `array` containing a circular reference. ```javascript var arr = [ 1, 2, 3 ]; var bool = isCircularArray( arr ); // returns false arr.push( arr ); bool = isCircularArray( arr ); // returns true arr.pop(); arr.self = arr; bool = isCircularArray( arr ); // returns true ``` </section> <!-- /.usage --> <section class="examples"> ## Examples <!-- eslint no-undef: "error" --> ```javascript var isCircularArray = require( '@stdlib/assert/is-circular-array' ); var arr = [ 1, 2, 3 ]; arr.push( arr ); console.log( isCircularArray( arr ) ); // => true var obj = { 'beep': 'boop' }; obj.self = obj; console.log( isCircularArray( obj ) ); // => false console.log( isCircularArray( [] ) ); // => false console.log( isCircularArray( null ) ); // => false ``` </section> <!-- /.examples --> <!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. --> <section class="related"> * * * ## See Also - <span class="package-name">[`@stdlib/assert/is-circular`][@stdlib/assert/is-circular]</span><span class="delimiter">: </span><span class="description">test if an object-like value contains a circular reference.</span> - <span class="package-name">[`@stdlib/assert/is-circular-plain-object`][@stdlib/assert/is-circular-plain-object]</span><span class="delimiter">: </span><span class="description">test if a value is a plain object containing a circular reference.</span> </section> <!-- /.related --> <!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. --> <section class="links"> <!-- <related-links> --> [@stdlib/assert/is-circular]: https://github.com/stdlib-js/assert/tree/main/is-circular [@stdlib/assert/is-circular-plain-object]: https://github.com/stdlib-js/assert/tree/main/is-circular-plain-object <!-- </related-links> --> </section> <!-- /.links -->