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https://github.com/stdlib-js/wasm-base-array2dtype

Return the WebAssembly data type for a provided array.
https://github.com/stdlib-js/wasm-base-array2dtype

array data dtype dtypes javascript node node-js nodejs stdlib type types util utilities utility utils wasm webassembly

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Return the WebAssembly data type for a provided array.

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README 

        



  

    About stdlib...

  

  
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# array2dtype



[![NPM version][npm-image]][npm-url] [![Build Status][test-image]][test-url] [![Coverage Status][coverage-image]][coverage-url] 



> Return the WebAssembly data type for a provided array.



## Installation



```bash

npm install @stdlib/wasm-base-array2dtype

```



Alternatively,



-   To load the package in a website via a `script` tag without installation and bundlers, use the [ES Module][es-module] available on the [`esm`][esm-url] branch (see [README][esm-readme]).

-   If you are using Deno, visit the [`deno`][deno-url] branch (see [README][deno-readme] for usage intructions).

-   For use in Observable, or in browser/node environments, use the [Universal Module Definition (UMD)][umd] build available on the [`umd`][umd-url] branch (see [README][umd-readme]).



The [branches.md][branches-url] file summarizes the available branches and displays a diagram illustrating their relationships.



To view installation and usage instructions specific to each branch build, be sure to explicitly navigate to the respective README files on each branch, as linked to above.



## Usage



```javascript

var array2dtype = require( '@stdlib/wasm-base-array2dtype' );

```



#### array2dtype( array )



Returns the WebAssembly data type for a provided `array`.



```javascript

var Float64Array = require( '@stdlib/array-float64' );

var arr = new Float64Array( 10 );



var dt = array2dtype( arr );

// returns 'float64'

```



If provided an argument having "generic" or an unknown/unsupported [data type][@stdlib/array/dtypes], the function assumes that array values can be stored as double-precision floating-point numbers and returns `'float64'`.



```javascript

var dt = array2dtype( [] );

// returns 'float64'

```



## Examples



```javascript

var dtypes = require( '@stdlib/array-dtypes' );

var empty = require( '@stdlib/array-empty' );

var array2dtype = require( '@stdlib/wasm-base-array2dtype' );



// Get a list of supported array data types:

var dt = dtypes();



// For each supported data type, create an array and return its WebAssembly data type...

var v;

var i;

for ( i = 0; i < dt.length; i++ ) {

    v = array2dtype( empty( 10, dt[ i ] ) );

    console.log( '%s => %s', dt[ i ], v );

}

```



* * *



## Notice



This package is part of [stdlib][stdlib], a standard library for JavaScript and Node.js, 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][stdlib], see the main project [repository][stdlib].



#### Community



[![Chat][chat-image]][chat-url]



---



## License



See [LICENSE][stdlib-license].



## Copyright



Copyright © 2016-2024. The Stdlib [Authors][stdlib-authors].



[npm-image]: http://img.shields.io/npm/v/@stdlib/wasm-base-array2dtype.svg

[npm-url]: https://npmjs.org/package/@stdlib/wasm-base-array2dtype



[test-image]: https://github.com/stdlib-js/wasm-base-array2dtype/actions/workflows/test.yml/badge.svg?branch=main

[test-url]: https://github.com/stdlib-js/wasm-base-array2dtype/actions/workflows/test.yml?query=branch:main



[coverage-image]: https://img.shields.io/codecov/c/github/stdlib-js/wasm-base-array2dtype/main.svg

[coverage-url]: https://codecov.io/github/stdlib-js/wasm-base-array2dtype?branch=main



[chat-image]: https://img.shields.io/gitter/room/stdlib-js/stdlib.svg

[chat-url]: https://app.gitter.im/#/room/#stdlib-js_stdlib:gitter.im



[stdlib]: https://github.com/stdlib-js/stdlib



[stdlib-authors]: https://github.com/stdlib-js/stdlib/graphs/contributors



[umd]: https://github.com/umdjs/umd

[es-module]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules



[deno-url]: https://github.com/stdlib-js/wasm-base-array2dtype/tree/deno

[deno-readme]: https://github.com/stdlib-js/wasm-base-array2dtype/blob/deno/README.md

[umd-url]: https://github.com/stdlib-js/wasm-base-array2dtype/tree/umd

[umd-readme]: https://github.com/stdlib-js/wasm-base-array2dtype/blob/umd/README.md

[esm-url]: https://github.com/stdlib-js/wasm-base-array2dtype/tree/esm

[esm-readme]: https://github.com/stdlib-js/wasm-base-array2dtype/blob/esm/README.md

[branches-url]: https://github.com/stdlib-js/wasm-base-array2dtype/blob/main/branches.md



[stdlib-license]: https://raw.githubusercontent.com/stdlib-js/wasm-base-array2dtype/main/LICENSE



[@stdlib/array/dtypes]: https://github.com/stdlib-js/array-dtypes