SPUG: Slice of HashOfHash
DeRykus, Charles E
charles.e.derykus at boeing.com
Mon Nov 20 06:22:36 PST 2006
>>
>> Did you perhaps mean the proposed ?? (hook-hook operator) rather
than
>> // ... ?
>I suspect he means dor (//): defined or. In 5.10 you'll be able to
write:
> $a //= 0;
>which will be the same as writing:
> $a = ( defined $a ? $a : 0);
>I don't believe this is available in the 5.8 branch, but it's there for
some of the 5.9
>bleedperls. The English version of this will be "dor" (and possibly
"err" as well) and
>like "or" will have a lower precedence than //.
>Of course, we need to wait until 5.10 first and some of this will
require "use feature
> qw(...)";
> What's "??" ?
'??' = '//' (hook-hook was the "dor" symbol for many moons.. but
evidently
got a final hook)
--
Charles DeRykus
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