On May 14, 2012, at 9:53 AM, Brendan Eich wrote:
> From where is this produced? It's unsound if from MemberExpression (ES1-5) or
> PrimaryExpression (ES6) -> FunctionExpression -> ... ConciseBody.
AssignmentExpression :
...
ArrowFunction
ArrowFunction :
ArrowParameter => 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.
>>
>
_______________________________________________
es-discuss mailing list
[email protected]
https://mail.mozilla.org/listinfo/es-discuss
