perldoc common::sense
NAME
    common::sense - save a tree AND a kitten, use common::sense!

SYNOPSIS
     use common::sense;

     # supposed to be the same, with much lower memory usage, as:
     #
     # use utf8;
     # use strict qw(vars subs);
     # use feature qw(say state switch);
     # no warnings;
     # use warnings qw(FATAL closed threads internal debugging pack
     #                 portable prototype inplace io pipe unpack mallo
+c
     #                 deprecated glob digit printf layer
     #                 reserved taint closure semicolon);
     # no warnings qw(exec newline unopened);
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I know what common::sense is, but I argue that one should use common sense (without double colon)

Yes, it can be made to work without the double colon. ;-)

lib/common.pm:

package common;
require common::sense;
*import = sub { $code = common::sense->can('import') and goto $code }
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example.pl:

use common sense;
print $foo;
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Output:

[tai@miranda (pts/0) ~]$ perl -Ilib example.pl
Global symbol "$foo" requires explicit package name at example.pl line
+ 2.
Execution of example.pl aborted due to compilation errors.
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