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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. --> # isSharedArrayBuffer > Test if a value is a [SharedArrayBuffer][mdn-sharedarraybuffer]. <section class="usage"> ## Usage ```javascript var isSharedArrayBuffer = require( '@stdlib/assert/is-sharedarraybuffer' ); ``` #### isSharedArrayBuffer( value ) Tests if a value is a [`SharedArrayBuffer`][mdn-sharedarraybuffer]. <!-- eslint-disable no-unused-vars --> ```javascript var SharedArrayBuffer = require( '@stdlib/array/shared-buffer' ); var bool; try { bool = isSharedArrayBuffer( new SharedArrayBuffer( 10 ) ); // returns true } catch ( err ) { console.log( 'Environment does not support SharedArrayBuffers.' ); } bool = isSharedArrayBuffer( [] ); // returns false ``` </section> <!-- /.usage --> <section class="examples"> ## Examples <!-- eslint-disable no-unused-vars --> <!-- eslint no-undef: "error" --> ```javascript var Float32Array = require( '@stdlib/array/float32' ); var Float64Array = require( '@stdlib/array/float64' ); var Int8Array = require( '@stdlib/array/int8' ); var Int16Array = require( '@stdlib/array/int16' ); var Int32Array = require( '@stdlib/array/int32' ); var Uint8Array = require( '@stdlib/array/uint8' ); var Uint8ClampedArray = require( '@stdlib/array/uint8c' ); var Uint16Array = require( '@stdlib/array/uint16' ); var Uint32Array = require( '@stdlib/array/uint32' ); var ArrayBuffer = require( '@stdlib/array/buffer' ); var SharedArrayBuffer = require( '@stdlib/array/shared-buffer' ); var isSharedArrayBuffer = require( '@stdlib/assert/is-sharedarraybuffer' ); var bool; try { bool = isSharedArrayBuffer( new SharedArrayBuffer( 10 ) ); // returns true } catch ( err ) { console.log( 'Environment does not support SharedArrayBuffers.' ); } bool = isSharedArrayBuffer( new ArrayBuffer( 10 ) ); // returns false bool = isSharedArrayBuffer( new Float32Array( 10 ) ); // returns false bool = isSharedArrayBuffer( new Int8Array( 10 ) ); // returns false bool = isSharedArrayBuffer( new Uint8Array( 10 ) ); // returns false bool = isSharedArrayBuffer( new Uint8ClampedArray( 10 ) ); // returns false bool = isSharedArrayBuffer( new Int16Array( 10 ) ); // returns false bool = isSharedArrayBuffer( new Uint16Array( 10 ) ); // returns false bool = isSharedArrayBuffer( new Int32Array( 10 ) ); // returns false bool = isSharedArrayBuffer( new Uint32Array( 10 ) ); // returns false bool = isSharedArrayBuffer( new Float64Array( 10 ) ); // returns false bool = isSharedArrayBuffer( new Array( 10 ) ); // returns false bool = isSharedArrayBuffer( {} ); // returns false bool = isSharedArrayBuffer( null ); // returns 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-arraybuffer`][@stdlib/assert/is-arraybuffer]</span><span class="delimiter">: </span><span class="description">test if a value is an ArrayBuffer.</span> - <span class="package-name">[`@stdlib/assert/is-typed-array`][@stdlib/assert/is-typed-array]</span><span class="delimiter">: </span><span class="description">test if a value is a typed array.</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"> [mdn-sharedarraybuffer]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer <!-- <related-links> --> [@stdlib/assert/is-arraybuffer]: https://github.com/stdlib-js/assert/tree/main/is-arraybuffer [@stdlib/assert/is-typed-array]: https://github.com/stdlib-js/assert/tree/main/is-typed-array <!-- </related-links> --> </section> <!-- /.links -->