Generator issue: exceptions while initializing arguments

[Brendan Eich]

Jason Orendorff wrote:
> On Sun, Sep 9, 2012 at 8:50 PM, Jason Orendorff
> <jason.orendorff at gmail.com>  wrote:
>> What I think is that default parameters should be specified to be as
>> much like the following desugaring as possible:
>>
>>      function f(x=EXPR1, y=EXPR2) { BODY }
>>      ===>
>>      function f(x, y) {
>>          if (x === void 0) x = EXPR1;
>>          if (y === void 0) y = EXPR2;
>>          BODY
>>      }
>
> In case it isn't clear what I'm saying here, I think the same
> desugaring should hold for generators. Exceptions would then be
> deferred to "loc 2" in Allen's example.

Agreed. My loc 1 initial reaction was based on the shallow preference 
for early vs. late errors in the contrived "thrower" case.

/be