For all our other operators of the form: a X= b
it is shorthand for: a = a X b So, to follow that convention the operator is: a ?:= b which as per previous discussions is a bit cumbersome, so I am +1 for the shortened form so long as we document appropriately. Paul. On Thu, Nov 24, 2016 at 3:54 AM, Gerald Wiltse <jerrywil...@gmail.com> wrote: > +1 > > Gerald R. Wiltse > jerrywil...@gmail.com > > > On Wed, Nov 23, 2016 at 12:28 PM, Winnebeck, Jason > <jason.winneb...@windstream.com> wrote: >> >> At first I was going to vote 0, because I feel like a = a ?: b is clear >> (and I compare it to a = a || b from JS). However, looking at the dev list, >> I definitely see a nice case for it: >> >> person.name.last = person.name.last ?: "unknown" >> >> When you have a non-trivial assignment expression, I see the benefit: >> >> person.name.last ?= "unknown" >> >> However, I feel like it is not intuitive or clear. But, I don't think the >> operator hurts, and it's certainly not any less intuitive than <=> for >> example or even ?: when seen for the very first time. It's an easy look up >> in Groovy docs, and if you don't know it and don't use it, it's not a huge >> loss. So it doesn't hurt to add it, and while not instantly readable, it's a >> trivial docs lookup when someone is reading the code. >> >> So, I vote +1. But, honestly, I don't see myself using it very often as >> I'd normally use Elvis at time of initial assignment. I wouldn't put it very >> high on a prioritized backlog of things to improve for Groovy. >> >> Jason >> >> -----Original Message----- >> From: Daniel Sun [mailto:realblue...@hotmail.com] >> Sent: Wednesday, November 23, 2016 10:59 AM >> To: us...@groovy.incubator.apache.org >> Subject: [VOTE] new operator ?= >> >> Hi all, >> >> If the new operator ?= (e.g. a ?= 'foo' is equivalent of a = a ?: >> 'foo') were to be added to Groovy programming language, do you like it? >> (Yes: +1; No: -1; Not bad: 0) >> >> Cheers, >> Daniel.Sun >> >> >> >> -- >> View this message in context: >> http://groovy.329449.n5.nabble.com/VOTE-new-operator-tp5736931.html >> Sent from the Groovy Users mailing list archive at Nabble.com. >> >> This email message and any attachments are for the sole use of the >> intended recipient(s). Any unauthorized review, use, disclosure or >> distribution is prohibited. If you are not the intended recipient, please >> contact the sender by reply email and destroy all copies of the original >> message and any attachments. > >
