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Postings from November 2010
On Sun, 14 Nov 2010 10:50:47 -0600, Brad Gilbert <b2gills@gmail.com> wrote: > On Sat, Nov 13, 2010 at 8:46 PM, David Caldwell <david@porkrind.org> wrote: > > On 11/13/10 11:51 AM +0000 Zefram wrote: > > > >> David Caldwell wrote: > >>> > >>> This patch adds support for a new operator "&&->" that acts like arrow > >>> but evaluates to undef if the left side is undef. > >> > >> Sounds potentially useful. I find the spelling a bit unwieldy, and in > >> particular the two-token treatment makes recursive-descent handling of > >> it tricky. I suggest the spelling "&->", as a single token. > > > > That would be easy enough to change, I think. At one point I had "&&->" > > being tokenized as a whole but I opted for the 2 token approach since it was > > a more minimal patch. Andrew Rodland suggested "|->", but I think "&->" is > > more intuitive as to what it actually does. I'm still kind of partial to > > "?->" if I can figure out how to make it work. > > > > $something&&->here > > $something&->here > > $something|->here > > $something?->here > > > > The main question is, would this change anyone's mind who thinks this is > > currently not a patch worth applying? > > > > -David > > > > Extra random brainstorms: > > $something?>here > > $something&>here > > $something-=>here ^ I like that one Personally I think &&- adds too much noise. Though very useful, I probably won't use it, because it is so ugly. My opinion is of course my opinion, and not a rule of thumb. > > $something*->here > > $something:->here > > $something??->here > > > > I would like to point out that there are many 2 character options available, > that are currently compilation errors: > > $something~>here > $something!>here > $something%>here > $something^>here ^ useful too. > $something&>here > $something*>here > $something:>here > $something+>here > $something?>here > > It's also possible to use the following (but probably not worth it for > other reasons): > > $something.>here > $something,>here > $something/>here but //> would have a nudge towards // which is the behaviour we're looking at > $something|>here > > $something}>here > $something]>here > > $something-]here > $something-}here -- H.Merijn Brand http://tux.nl Perl Monger http://amsterdam.pm.org/ using 5.00307 through 5.12 and porting perl5.13.x on HP-UX 10.20, 11.00, 11.11, 11.23 and 11.31, OpenSuSE 10.1, 11.0 .. 11.3 and AIX 5.2 and 5.3. http://mirrors.develooper.com/hpux/ http://www.test-smoke.org/ http://qa.perl.org http://www.goldmark.org/jeff/stupid-disclaimers/Thread Previous | Thread Next