to-string-x
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ES6-compliant shim for ToString.
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<a name="module_to-string-x"></a>
## to-string-x
ES6-compliant shim for ToString.
**See**: [7.1.12 ToString ( argument )](http://www.ecma-international.org/ecma-262/6.0/#sec-tostring)
<a name="exp_module_to-string-x--module.exports"></a>
### `module.exports(value)` ⇒ <code>string</code> ⏏
The abstract operation ToString converts argument to a value of type String.
**Kind**: Exported function
**Returns**: <code>string</code> - The converted value.
**Throws**:
- <code>TypeError</code> If `value` is a Symbol.
| Param | Type | Description |
| ----- | --------------- | --------------------------------- |
| value | <code>\*</code> | The value to convert to a string. |
**Example**
```js
import $toString from 'to-string-x';
console.log($toString()); // 'undefined'
console.log($toString(null)); // 'null'
console.log($toString('abc')); // 'abc'
console.log($toString(true)); // 'true'
console.log($toString(Symbol('foo'))); // TypeError
console.log($toString(Symbol.iterator)); // TypeError
console.log($toString(Object(Symbol.iterator))); // TypeError
console.log($toString(Object.create(null))); // TypeError
```