David Bruant wrote:
Once again, the spec (well... you in that case :-) ) will do whatever
is necessary to make the feature understandable by spec readers.
Transpilers will work with whatever is in the language. If they only
have weakmaps, they'll use that.
See http://wiki.ecmascript.org/doku.php?id=harmony:harmony, in particular
Means
1.
Minimize the additional semantic state needed beyond ES5.
2.
Provide syntactic conveniences for:
1.
good abstraction patterns;
2.
high integrity patterns;
3.
defined by desugaring into kernel semantics.
We aim to unify the "spec problem" and the "transpiler problem" where
possible. Not always, not necessarily by spec-by-desugaring. But we
don't want magic in the spec that leaves transpilers falling into the
tarpit, if we can avoid it.
/be
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