time-to-botec/squiggle/node_modules/@stdlib/assert/is-array-length/README.md

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# isArrayLength

> Test if a value is a valid array length.

<section class="usage">

## Usage

```javascript
var isArrayLength = require( '@stdlib/assert/is-array-length' );
```

#### isArrayLength( value )

Tests if a value is a valid `array` length.

```javascript
var bool = isArrayLength( 5 );
// returns true

bool = isArrayLength( -1 );
// returns false

bool = isArrayLength( 2.0e200 );
// returns false

bool = isArrayLength( 3.14 );
// returns false

bool = isArrayLength( null );
// returns false
```

</section>

<!-- /.usage -->

<section class="notes">

## Notes

-   A valid `length` property for an [`Array`][mdn-array] is any integer value on the interval `[0, 2^32-1]`.

</section>

<!-- /.notes -->

<section class="examples">

## Examples

<!-- eslint no-undef: "error" -->

```javascript
var isArrayLength = require( '@stdlib/assert/is-array-length' );

var bool = isArrayLength( 5 );
// returns true

bool = isArrayLength( 0 );
// returns true

bool = isArrayLength( 2.0e200 );
// returns false

bool = isArrayLength( 5.256 );
// returns false

bool = isArrayLength( 1.0/0.0 );
// returns false

bool = isArrayLength( -1.0/0.0 );
// returns false

bool = isArrayLength( NaN );
// returns false

bool = isArrayLength( '5' );
// returns false

bool = isArrayLength( null );
// returns false
```

</section>

<!-- /.examples -->

<section class="links">

[mdn-array]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array

</section>

<!-- /.links -->