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doc: add util.types.isBig{Int,Uint}64Array() #20615

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May 9, 2018
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doc: add util.types.isBig{Int,Uint}64Array() #20615

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38 changes: 38 additions & 0 deletions doc/api/util.md
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Original file line number Diff line number Diff line change
Expand Up @@ -1025,6 +1025,44 @@ util.types.isAsyncFunction(function foo() {}); // Returns false
util.types.isAsyncFunction(async function foo() {}); // Returns true
```

### util.types.isBigInt64Array(value)
<!-- YAML
added: v10.0.0
-->

* Returns: {boolean}

Returns `true` if the value is a `BigInt64Array` instance. The
`--harmony-bigint` command line flag is required in order to use the
`BigInt64Array` type, but it is not required in order to use
`isBigInt64Array()`.

For example:

```js
util.types.isBigInt64Array(new BigInt64Array()); // Returns true
util.types.isBigInt64Array(new BigUint64Array()); // Returns false
```

### util.types.isBigUint64Array(value)
<!-- YAML
added: v10.0.0
-->

* Returns: {boolean}

Returns `true` if the value is a `BigUint64Array` instance. The
`--harmony-bigint` command line flag is required in order to use the
`BigUint64Array` type, but it is not required in order to use
`isBigUint64Array()`.

For example:

```js
util.types.isBigUint64Array(new BigInt64Array()); // Returns false
util.types.isBigUint64Array(new BigUint64Array()); // Returns true
```

### util.types.isBooleanObject(value)
<!-- YAML
added: v10.0.0
Expand Down