Function isString

isString<T extends string>(value: unknown): value is T
Checks if value is classified as a string primitive.
Type Parameters
- T extends string
Parameters
- value: unknown
  The value to check.
Returns value is T
Returns true if value is a string, else false.
Example
```
isString('Hello, world!')
// => true

isString(123)
// => false
```
- Defined in isString.ts:18