@ject/method

import { Callable } from '@ject/method'
// inherit the class Callable
class CallableClass extends Callable {
  constructor (a, b) {
    super(row => this.a + this.b + row)
    this.a = a
    this.b = b
  }
}

const methodClass = new CallableClass(5, 4)
console.log(methodClass(3)) // 12