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Postings from February 2018
On Sun, 25 Feb 2018 18:25:19 GMT, perl@ton.iguana.be wrote: > > This is a bug report for perl from perl@ton.iguana.be, > generated with the help of perlbug 1.40 running under perl 5.20.2. > > > ----------------------------------------------------------------- > [Please describe your issue here] > > perl -wlE '$_="-4-5"; say -$_|0' > Argument "+4-5" isn't numeric in bitwise or (|) at -e line 1. > 4 > > perl -wlE '$_=-4 . -5; say -$_|0' > Argument "+4-5" isn't numeric in bitwise or (|) at -e line 1. > 4 > > perl -wlE '$_="-4-5"; $_+0; say -$_|0' > Useless use of addition (+) in void context at -e line 1. > Argument "-4-5" isn't numeric in addition (+) at -e line 1. > Argument "+4-5" isn't numeric in bitwise or (|) at -e line 1. > 4 > > perl -wlE '$_=-4 . -5; $_+0; say -$_|0' > Useless use of addition (+) in void context at -e line 1. > Argument "-4-5" isn't numeric in addition (+) at -e line 1. > 18446744073709551612 > > That last one is very unexpected. > The same thing happens on perl 5.26.1 > I do not get the same results as you. ##### $ perl -v | head -2 | tail -1 This is perl 5, version 20, subversion 3 (v5.20.3) built for x86_64-linux $ perl -wlE '$_="-4 . -5"; $_+0; say -$_|0' Useless use of addition (+) in void context at -e line 1. Argument "-4 . -5" isn't numeric in addition (+) at -e line 1. Argument "+4 . -5" isn't numeric in bitwise or (|) at -e line 1. 4 $ perl -v | head -2 | tail -1 This is perl 5, version 26, subversion 0 (v5.26.0) built for x86_64-linux $ perl -wlE '$_="-4 . -5"; $_+0; say -$_|0' Useless use of addition (+) in void context at -e line 1. Argument "-4 . -5" isn't numeric in addition (+) at -e line 1. Argument "+4 . -5" isn't numeric in bitwise or (|) at -e line 1. 4 ##### Thank you very much. -- James E Keenan (jkeenan@cpan.org) --- via perlbug: queue: perl5 status: new https://rt.perl.org/Ticket/Display.html?id=132908Thread Previous | Thread Next