Allen Wirfs-Brock wrote:
No doubt I'm repeating myself fro a previous message, so I'll be more forceful. "dynamic this" is a core OO concept but "dynamic this" in a non-method context is an abomination.
The problem is "non-method context" is ill-defined in JS (ES5.1 or lower), without extensions.
With extensions such as method definition shorthand in object literals, maybe -- but that has not yet been demonstrated.
Trying to catch some (but not all as you allow) wrong-this patterns dynamically will have false positives as well as false negatives, and smells bad to me.
I agree we don't need optional leading-this parameterization of arrows, of course. That's why I cut it. Doug was not the only one to bring it up again, though. I'm happy to hang tough against it, and I hope Doug is too now, based on this thread.
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