On Sat Jan 03 2015 at 6:30:43 PM Andrea Giammarchi <
andrea.giammarchi at gmail.com> wrote:

> Agreed with Brendan,
>   and I've  thought the same.
>
> It's been also years we have problems using unknonw objects in the wild,
> i.e.
>
> ```js
> var n = {__proto__:null};
> var s = String(n); // error, No default value
> var s = '' + n; // error, No default value
> ```
> Same if used as [property accessor] so I am not sure why `String(o)` when
> `o` is `Symbol` should not throw.
>
> I'd expect it to throw all the time and let developers be a bit more
> careful on their explicit or implicit casts.
>
> The `toString` and `valueOf` are great examples that could compromise a
> lot of real-world code.
>
> Being `Symbols` new we should probably/hopefully get them in the right way.
>
> I feel like throwing either cases is the right way.
>

That example above is pretty compelling for throw always consistency.

Rick
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That example above is pretty compelling for throw always consistency.