+1 since that was my initial (forever dreamed) proposed idea :-)
On Sun, Jan 13, 2013 at 6:53 PM, Brandon Benvie <[email protected]>wrote: > In that case, it would be really nice for .set to return the value so > these work: > > return map.has(key) ? map.get(key) : map.set(key, val); > > and > > return map.get(key) || map.set(key, val); > > > On Sunday, January 13, 2013, Mark S. Miller wrote: > >> My reversal was posted at >> <https://mail.mozilla.org/pipermail/es-discuss/2012-December/026932.html >> >. >> Thanks there to Jussi Kalliokoski for also clearing up this issue. >> >> On Sun, Jan 13, 2013 at 6:45 PM, Mark S. Miller <[email protected]> >> wrote: >> > Since then, due to issues pointed out here on es-discuss, I withdrew >> > my consensus from this decision. >> > >> > See also < >> https://mail.mozilla.org/pipermail/es-discuss/2012-December/026971.html> >> > where Andreas states the issue more clearly than I did. >> > >> > >> > On Sun, Jan 13, 2013 at 4:44 PM, Allen Wirfs-Brock >> > <[email protected]> wrote: >> >> At the last TC39 meeting, it was agreed tothat the set/add methods >> would return the collection that to which something is being added. >> >> >> >> This supports code patterns like: >> >> >> >> someMap.set(key1,value1).set(key2,value3); >> >> >> >> In making this change to the spec. I noticed several other methods >> that could reasonably be used in this same pattern. For example: >> >> >> >> someMap.clear().set(aKey, aValue); >> >> >> >> someSet.delete(oldMember).add(newMember); >> >> >> >> Are there any objections to making the clear and delete methods of >> Map/WeakMap/Set also return the collection, just like set/add? >> >> >> >> Allen >> >> >> >> >> >> >> >> _______________________________________________ >> >> es-discuss mailing list >> >> [email protected] >> >> https://mail.mozilla.org/listinfo/es-discuss >> > >> > >> > >> > -- >> > Cheers, >> > --MarkM >> >> >> >> -- >> Cheers, >> --MarkM >> _______________________________________________ >> 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 > >
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