[orf]

> is such an elegant approach

In theory more than practice. For example if you use array destructuring (`[x, y] = something`) and Babel cannot verify that `something` is always an array it inserts a 664 character function that handles generators and other things. That adds performance and size overhead (grep for _slicedToArray in your compiled js files), when all you really want is `x = something[0]...`

https://babeljs.io/repl/#?babili=false&evaluate=true&lineWra...