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Postings from October 2016
On Mon, 17 Oct 2016 09:13:29 +0100, Dave Mitchell <davem@iabyn.com>
wrote:
> I've just spotted another issue with list assignment in list context.
> Does anyone think the third case below is a bug? I think it should output
> "1:u" like the second case:
/me agrees. +1
> sub f { print join(':', map $_ // "u", @_), "\n"; }
>
> f(($a,$b) = () ); # prints "u:u"
> f(($a,$b) = (1)); # prints "1:u"
> f(($a,$b, %h) = (1)); # prints "1"
>
> on the principle that the return value of a list assignment is its LHS;
> i.e. that @a = ((X) = (Y)) should be equivalent to (X) = (Y); @a = (X),
> where (X) is a list of lvals, like ($a, undef, %h)
--
H.Merijn Brand http://tux.nl Perl Monger http://amsterdam.pm.org/
using perl5.00307 .. 5.25 porting perl5 on HP-UX, AIX, and openSUSE
http://mirrors.develooper.com/hpux/ http://www.test-smoke.org/
http://qa.perl.org http://www.goldmark.org/jeff/stupid-disclaimers/
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