> 'yield' is already disallowed in generator function default initializer > expressions (although I was reviewing the latest spec. revision yesterday > and there may still be still bugs I have to fix in that regard). > > The reason it isn't allowed is that the generator object is not yet > instantiated and active at the point where a default value initializer > would be evaluated. (note you yield from a invocation on the generator > object, not the generator function that creates a generator object) . > > Yes, 'yield' the operator is disallowed in parameter default expressions. But what about 'yield' the identifier? My current reading of the spec is that it _is_ allowed, but I could be misreading. It seems more natural to me to disallow 'yield' the identifier in the whole generator (formal parameters and body, both).
_______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
