Brendan Eich wrote:
LeftHandSideExpression ?= AssignmentExpression
are roughly
Let lref = evaluate A.
Let lval = GetValue(lref).
Let rref = evaluate B.
Of course, A should be LeftHandSideExpression and B should be
AssignmentExpression.
This is pretty simple. We could even grant an exception and get it into
ES6, IMHO. But first it needs a strawman and some discussion.
Absent fast objections here, I'll co-opt the
http://wiki.ecmascript.org/doku.php?id=strawman:default_operator
strawman and put it on the agenda.
/be
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