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Re^2: Contents of @_ using subroutine signatures with default values

by LanX (Sage)
on Jul 14, 2020 at 13:01 UTC ( #11119300=note: print w/replies, xml ) Need Help??

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  1. or download this
    # https://perlmonks.org/?node_id=11119273
    use strict;
    use warnings;
    ...
    }
    
    #diag "Show sig implementation:\n", B::Deparse->new()->coderef2text(\&
    +foo);
    
  2. or download this
    C:/Perl_524/bin\perl.exe -w d:/exp/pm_signatures.pl 
    ok 1 - <foo(qw//)>      ERR: Too few arguments: 
    ok 2 - <foo(qw/a/)>      One arg: @_ == 1
    ...
    ok 4 - <foo(qw/a b c/)>      ERR: Too many arguments: 
    1..4
    

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