Standard builtins' prototypes and toString

Allen Wirfs-Brock allen at
Wed Jun 18 15:25:51 PDT 2014

On Jun 18, 2014, at 2:38 PM, Brendan Eich wrote:
>> For example, what should Symbol.prototype.toString() do? (b) sounds like a good choice for it.  (c) is certainly ok, for Date.prototype but but we have other cases that need to be addressed.
> Symbol.prototype could even throw, it's such an outlier. Throw if no "zero" might go a long way, cover most of the dog.

The spec. current says throw for this Symbol.prototype case.  The (reasonable) opposing view is that toString should never throw.  Other than the protoype-is-not-an-instance it all about unlikely edge cases where toString methods are applied to the wrong kind of object.


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