From where is this produced? It's unsound if from MemberExpression
(ES1-5) or PrimaryExpression (ES6) -> FunctionExpression -> ... ConciseBody.
/be
Erik Arvidsson wrote:
The latest ES6 draft introduced the notion of a concise function body
and it is being used for arrow functions as well as for methods and
set/get accessors.
Grammar:
ConciseBody :
[lookahead does not include { ] AssignmentExpression
{ FunctionBody }
Example:
var object = {
get x() this._x,
set x(v) this._x = v,
method() this._x
};
I don't remember us ever discussing this change?
Personally I think it makes things more consistent since concise
function bodies are allowed in ArrowFunction but I've heard people
complain about it already.
p.s. Allen, the spec draft has a bunch of ConsiseBody typos.
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