Function isGeneratorFunction

isGeneratorFunction(value: unknown): value is GeneratorFunction
Checks whether a value is a generator function according to its string representation (Symbol "*").
Parameters
- value: unknown
Returns value is GeneratorFunction
Example
```
isGeneratorFunction(function* () {})        // true
isGeneratorFunction({ *fn() {} }.fn)        // true
isGeneratorFunction(async function* () {})  // true
```
Since
3.0.0-beta.1
- Defined in utils/public/checkers/is-generator-function.ts:13