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Comment by hyperpallium | Hacker News Reader

EDIT can you think of a destructuring method that operates with access by name, rather than by position?

  (lo, hi) = getLim();

It seems to me it would have to be something like:

  Lim lim = getLim();
  lo = lim.minimum;
  hi = lim.maximum

Pwrhaps records could define an ordering of their fields, so as to enable destructuring by position?

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> can you think of a destructuring method that operates with access by name, rather than by position?

Yeah, this in JS:

    obj = {a: 1, b: 22, c: 333}
    const {b, a} = obj

My original point was more that, even in languages that have both "proper" traditional tuple types and the parenthesised destructuring syntax, we're not obligated to use destructuring. i.e. writing the following is perfectly legitimate, if verbose:

    a_tup = function_returning_tuple()
    x = first(a_tup)
    y = second(a_tup)

I hadn't seen that. It is a bit shorter, because you needn't repeat the source object. My e.g. would be

  lim = getLim();
  const {minimum: lo, maximum: hi} = lim;

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