SWAMPy

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EDITING: vars.pm

package vars;

use 5.006;

our $VERSION = '1.05';

use warnings::register;
use strict qw(vars subs);

sub import {
    my $callpack = caller;
    my (undef, @imports) = @_;
    my ($sym, $ch);
    foreach (@imports) {
        if (($ch, $sym) = /^([\$\@\%\*\&])(.+)/) {
	    if ($sym =~ /\W/) {
		# time for a more-detailed check-up
		if ($sym =~ /^\w+[[{].*[]}]$/) {
		    require Carp;
		    Carp::croak("Can't declare individual elements of hash or array");
		} elsif (warnings::enabled() and length($sym) == 1 and $sym !~ tr/a-zA-Z//) {
		    warnings::warn("No need to declare built-in vars");
		} elsif  (($^H & strict::bits('vars'))) {
		    require Carp;
		    Carp::croak("'$_' is not a valid variable name under strict vars");
		}
	    }
	    $sym = "${callpack}::$sym" unless $sym =~ /::/;
	    *$sym =
		(  $ch eq "\$" ? \$$sym
		 : $ch eq "\@" ? \@$sym
		 : $ch eq "\%" ? \%$sym
		 : $ch eq "\*" ? \*$sym
		 : $ch eq "\&" ? \&$sym 
		 : do {
		     require Carp;
		     Carp::croak("'$_' is not a valid variable name");
		 });
	} else {
	    require Carp;
	    Carp::croak("'$_' is not a valid variable name");
	}
    }
};

1;
__END__

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📁 auto/	DIR	—	2018-03-10 18:40
📁 Carp/	DIR	—	2026-06-25 06:01
📁 Exporter/	DIR	—	2026-06-25 06:01
📁 File/	DIR	—	2026-06-25 06:01
📁 Getopt/	DIR	—	2026-06-25 06:01
📁 Hash/	DIR	—	2026-06-25 06:01
📁 IO/	DIR	—	2026-06-25 06:01
📁 IPC/	DIR	—	2026-06-25 06:01
📁 List/	DIR	—	2026-06-25 06:01
📁 Scalar/	DIR	—	2026-06-25 06:01
📁 Text/	DIR	—	2026-06-25 06:01
📁 Tie/	DIR	—	2026-06-25 06:01
📁 unicore/	DIR	—	2026-03-10 16:43
📁 warnings/	DIR	—	2026-06-25 06:01
📄 attributes.pm	PM	3 KB	2026-06-12 13:42	EDIT
📄 AutoLoader.pm	PM	5.4 KB	2026-06-12 13:42	EDIT
📄 base.pm	PM	8.7 KB	2026-06-12 13:42	EDIT
📄 builtin.pm	PM	210 B	2026-06-12 13:42	EDIT
📄 bytes.pm	PM	489 B	2026-06-12 13:42	EDIT
📄 bytes_heavy.pl	PL	758 B	2026-06-12 13:42	EDIT
📄 Carp.pm	PM	24.8 KB	2026-06-12 13:42	EDIT
📄 Config.pm	PM	3.2 KB	2026-06-12 13:42	EDIT
📄 Config_git.pl	PL	409 B	2026-06-12 13:42	EDIT
📄 Config_heavy.pl	PL	57.1 KB	2026-06-12 13:42	EDIT
📄 constant.pm	PM	5.6 KB	2026-06-12 13:42	EDIT
📄 Cwd.pm	PM	16.9 KB	2026-06-12 13:42	EDIT
📄 DynaLoader.pm	PM	11 KB	2026-06-12 13:42	EDIT
📄 Errno.pm	PM	4.8 KB	2026-06-12 13:42	EDIT
📄 Exporter.pm	PM	2.3 KB	2026-06-12 13:42	EDIT
📄 Fcntl.pm	PM	2.1 KB	2026-06-12 13:42	EDIT
📄 feature.pm	PM	7.7 KB	2026-06-12 13:42	EDIT
📄 fields.pm	PM	4.9 KB	2026-06-12 13:42	EDIT
📄 FileHandle.pm	PM	2.1 KB	2026-06-12 13:42	EDIT
📄 integer.pm	PM	172 B	2026-06-12 13:42	EDIT
📄 IO.pm	PM	469 B	2026-06-12 13:42	EDIT
📄 lib.pm	PM	2.2 KB	2026-06-12 13:42	EDIT
📄 locale.pm	PM	3.4 KB	2026-06-12 13:42	EDIT
📄 overload.pm	PM	4.7 KB	2026-06-12 13:42	EDIT
📄 overloading.pm	PM	964 B	2026-06-12 13:42	EDIT
📄 parent.pm	PM	460 B	2026-06-12 13:42	EDIT
📄 POSIX.pm	PM	20 KB	2026-06-12 13:42	EDIT
📄 re.pm	PM	9.3 KB	2026-06-12 13:42	EDIT
📄 SelectSaver.pm	PM	344 B	2026-06-12 13:42	EDIT
📄 Socket.pm	PM	13.5 KB	2026-06-12 13:42	EDIT
📄 strict.pm	PM	1.6 KB	2026-06-12 13:42	EDIT
📄 Symbol.pm	PM	2.2 KB	2026-06-12 13:42	EDIT
📄 utf8.pm	PM	341 B	2026-06-12 13:42	EDIT
📄 vars.pm	PM	1.1 KB	2026-06-12 13:42	EDIT
📄 warnings.pm	PM	29.8 KB	2026-06-12 13:42	EDIT
📄 XSLoader.pm	PM	4 KB	2026-06-12 13:42	EDIT