Function isFunction

isFunction<
    T extends
        (...args: unknown[]) => unknown = (...args: unknown[]) => unknown,
>(
    val: unknown,
): val is T
判断值是否为函数
Type Parameters
- T extends (...args: unknown[]) => unknown = (...args: unknown[]) => unknown
Parameters
- val: unknown
  任意值
Returns val is T
是否为函数
Example
```
isFunction(() => {}); // true
isFunction(123); // false
```
- Defined in utils/type/core.ts:90