Concise Method Binding

[JD Isaacks]

Considering the proposals for both concise methods and the bind operator I
think it would be a great addition to be able to use them together.

I am already seeing a lot of this:

class Foo {
  bar = () => {
    // bound
  }
  buz() {
    // unbound
  }
}


I think having the bind operator with a concise method makes things more
uniform:

class Foo {
  ::bar() {
    // bound
  }
  buz() {
    // unbound
  }
}


This would also allow for this to be using on object literals:

let foo = {
  ::bar() {
    // bound
  }
  buz() {
    // unbound
  }
}


This would also make using recursion with concise functions feasible:

let fibonacci = {
  ::at(n) {
    if (n < 2) {
      return n;
    }
    return this.at(n-1) + this.at(n-2);
  }
}
fibonacci.at(7); // 13


I am looking for a champion for this feature. Anybody interested?

Thanks,
JD Isaacks
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