@stdlib/assert/is-boolean/README.md

Standard assertion utilities.

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# isBoolean

> Test if a value is a boolean.

<section class="usage">

### Usage

```javascript
var isBoolean = require( '@stdlib/assert/is-boolean' );
```

#### isBoolean( value )

Tests if a `value` is a `boolean`.

<!-- eslint-disable no-new-wrappers -->

```javascript
var Boolean = require( '@stdlib/boolean/ctor' );

var bool = isBoolean( false );
// returns true

bool = isBoolean( true );
// returns true

bool = isBoolean( new Boolean( false ) );
// returns true

bool = isBoolean( new Boolean( true ) );
// returns true
```

#### isBoolean.isPrimitive( value )

Tests if a `value` is a primitive `boolean`.

<!-- eslint-disable no-new-wrappers -->

```javascript
var Boolean = require( '@stdlib/boolean/ctor' );

var bool = isBoolean.isPrimitive( true );
// returns true

bool = isBoolean.isPrimitive( false );
// returns true

bool = isBoolean.isPrimitive( new Boolean( true ) );
// returns false
```

#### isBoolean.isObject( value )

Tests if a `value` is a `Boolean` object.

<!-- eslint-disable no-new-wrappers -->

```javascript
var Boolean = require( '@stdlib/boolean/ctor' );

var bool = isBoolean.isObject( true );
// returns false

bool = isBoolean.isObject( new Boolean( false ) );
// returns true
```

</section>

<!-- /.usage -->

<section class="examples">

### Examples

<!-- eslint-disable no-new-wrappers -->

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

```javascript
var Boolean = require( '@stdlib/boolean/ctor' );
var isBoolean = require( '@stdlib/assert/is-boolean' );

var bool = isBoolean( false );
// returns true

bool = isBoolean( new Boolean( false ) );
// returns true

bool = isBoolean( 'true' );
// returns false

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

</section>

<!-- /.examples -->

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</section>

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