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. Allen
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