Le 26/11/2012 22:11, Brendan Eich a écrit :
Herby Vojčík wrote:
Hi,
shouldn't StopIteration, ForwardToTarget from "Notification proxies"
thread and similar ones be rather well-known unique symbols (like
@iterator), now that we have them, instead of well-known globals? \
Why?
Let's separate the naming and unique identity concerns. Objects have
unique identity, so do symbols. But if a unique identity is required
without being a property key, then an object is the right answer, not
a symbol.
I'm not sure not being a property key is that big of a constraint, so I
would say that objects and symbols are both valid equally valid.
I think this applies to StopIteration.
It is suggested on the strawman that StopIteration be a constructor [1]
and I support this idea for StopIteration because an iterator may have
different reasons to stop and building instances with a message (or any
property) attached. I'm not sure It'd be as relevant for ForwardToTarget.
David
[1] http://wiki.ecmascript.org/doku.php?id=harmony:iterators
_______________________________________________
es-discuss mailing list
[email protected]
https://mail.mozilla.org/listinfo/es-discuss
