Function returnsThis

returnsThis<Self, Args>(): ((this: Self, ...args: Args) => Self)
Creates a function that returns the instance the method was called on.
Type Parameters
- Self = any
  The self type of the returned function.
- Args extends unknown[] = any[]
  The arguments type of the returned function.
Returns ((this: Self, ...args: Args) => Self)
A function that returns the instance the method was called on.
- - (this, ...args): Self
  - Parameters
    - this: Self
    - Rest...args: Args
    Returns Self
Example: Usage
```
import { returnsThis } from "@std/testing/mock";
import { assertEquals } from "@std/assert";

const func = returnsThis();
const obj = { func };
assertEquals(obj.func(), obj);
```
- Defined in testing/mock.ts:1640