ES5 specifies "yield" as a reserved keyword, right? So there should be no need to make it contextual.
2013/9/1 Brendan Eich <[email protected]>: > The empty-body basis case is one reason. A stronger reason is that yield is > not a reserved identifier, and it is used in existing content, so function* > allows contextual reservation without breaking backward compatibility. > > Another reason is to clue readers in early, when reading in source order, > that this function is a generator, in the case where yield usage in the > function's body is somewhat hard to see at a glance. > > /be > >> Yuichi Nishiwaki <mailto:[email protected]> >> August 31, 2013 12:15 PM >> >> Hi all, I just found a post that the current generator syntax >> (function *) seems have decided in: >> >> https://mail.mozilla.org/pipermail/es-discuss/2011-July/015799.html >> >> According to the post, the biggest reason the star syntax is adopted >> for now is that you cannot write empty generators with star-less >> functions in a consistent simple way. But the situation has changed, >> and in the current spec (rev 17) yield* is now capable of taking any >> kind of iterator, so you can make empty generators just like >> >> ```js >> function * () { >> yield * []; >> } >> ``` >> >> This looks enough good and simple at least to me. And I wonder if even >> now generators still need to be declared with 'star's. What are the >> advantages of 'star'ed generators rather than 'star'-lesses? If not >> exist, shouldn't it be removed (for the simplicity)? >> >> Thank you. >> >> -- >> Yuichi Nishiwaki >> _______________________________________________ >> es-discuss mailing list >> [email protected] >> https://mail.mozilla.org/listinfo/es-discuss >> > _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
