How about this?

use strict;
use Data::Dumper;
sub print_code {
  my ($sub) = @_;
  my $d = Data::Dumper->new( [$sub] );
  $d->Deparse(1);
  print $d->Dump();
};

print_code(sub{ print 'This is a coderef' });

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In reply to Re^3: here-docs vs quote operators by Corion
in thread here-docs vs quote operators by ikegami

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
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