On Wed 23 Jul 2014 18:19, Allen Wirfs-Brock <[email protected]> writes:
> On Jul 23, 2014, at 1:25 AM, Andy Wingo wrote: > > The TC39 notes do not record any discussion of return() causing an > exception to be thrown. > > > In the latest ES6 draft for-of propagates any exceptions thrown by the > call to return(). See > http://people.mozilla.org/~jorendorff/es6-draft.html#sec-runtime-semantics- > forin-div-ofbodyevaluation step 3.k.ii.1-2 > > As a matter of design policy we rarely, if ever, just drop exceptions. I probably didn't explain myself completely; apologies. I meant that the mechanism of iter.return() should be implemented by throwing an exception (i.e., as if by "iter.throw(new StopIteration)") instead of "returning" from the yield point. Andy _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss

