"David G. Johnston" <david.g.johns...@gmail.com> writes: > On Fri, Apr 17, 2020 at 4:17 PM Tom Lane <t...@sss.pgh.pa.us> wrote: >> We do have some postfix operators still ... although it looks like >> there's only one in core. In any case, the signature line is *the* >> thing that is supposed to specify what the syntax is, so I'm not >> too pleased with using an ambiguous notation for it.
> Neither: > - (NONE, integer) > nor > ! (integer, NONE) > seem bad, and do make very obvious how they are different. > The left margin scanning ability for the symbol (hey, I have an expression > here that uses @>, what does that do?) seems worth the bit of novelty > required. Meh. If we're worried about that, personally I'd much rather put back the separate left-hand column with just the operator name. We could also experiment with bold-facing the operator names, as somebody suggested upthread. regards, tom lane