Kevin Smith wrote:
Now, one might argue that using the string "std:iterator" (or equivalent) would present a backward compatibility hazard for legacy code using objects as maps. I'll have to think about that one...

Problem is polyfillability, and Map polyfill with O(n^2) complexity is a loser in general. People want to use symbol in object. Downrev can mock symbols with randomized strings.

/be

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