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Re: Name "main::a" used only once: possible typo

by kcott (Abbot)
on Mar 08, 2013 at 08:07 UTC ( #1022351=note: print w/ replies, xml ) Need Help??

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  1. or download this
    $ perl -Mstrict -Mwarnings -E '
    use List::Util qw/reduce/;
    ...
    Name "main::a" used only once: possible typo at -e line 3.
    Name "main::b" used only once: possible typo at -e line 3.
    720
    
  2. or download this
    $ perl -Mstrict -Mwarnings -E '
    use List::Util qw/reduce/; $a || $b || 1;
    say reduce { $a * $b } 1..6;
    '
    720
    
  3. or download this
    $ perl -Mstrict -Mwarnings -E '
    use List::Util qw/reduce sum/; $a || $b || 1;
    ...
    '
    720
    21
    

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