What you want is probably:
my $code = 'sub { my $arg = shift; warn $arg; }';
Update: Since the above looks alot like your
original post, here is more.
I've never used Safe but my doc's indicate that
you need a namespace as the first arg to Safe->new.
use Safe;
my $code = 'sub { my $arg = shift; warn $arg; }';
my $safe = Safe->new();
my $ssub = $safe->reval( $code) || die ;
$ssub->( "hello$/" );
&$ssub( "hello$/" );
Be well,
rir
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