--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/IMPL/clone.pm	Fri Sep 04 19:40:23 2015 +0300
@@ -0,0 +1,57 @@
+package IMPL::clone;
+
+use Scalar::Util qw(blessed reftype refaddr);
+
+use base qw(Exporter);
+our @EXPORT_OK = qw(&clone);
+
+{
+    my %handlers = (
+        HASH => sub {
+            my $class = blessed($_[0]);
+            
+            my $new = $_[1]->{ refaddr($_[0]) } = {};
+            while (my ($key,$val) = each %{$_[0]}) {
+                $new->{$key} = clone($val,$_[1]);
+            }
+            $class ? bless $new, $class : $new;
+        },
+        ARRAY => sub {
+            my $class = blessed($_[0]);
+            
+            my $new = $_[1]->{ refaddr($_[0]) } = [];
+            
+            push @$new, clone($_,$_[1]) foreach @{$_[0]};
+            
+            $class ? bless( $new, $class ) : $new;
+        },
+        SCALAR => sub {
+            my $class = blessed($_[0]);
+            
+            my $v = ${$_[0]};
+            $class ? bless \$v, $class : \$v;
+        },
+        REF => sub {
+            my $class = blessed($_[0]);
+            my $v;
+            my $new = $_[1]->{ refaddr($_[0]) } = \$v;
+            $v = clone ( ${$_[0]},$_[1] );
+            $class ? bless \$v, $class : \$v;
+            
+        },
+        REGEXP => sub {
+            $_[0];
+        }
+    );
+    
+    sub clone {
+        return unless @_;
+        
+        return $_[0] unless ref $_[0];
+        
+        return $_[1]->{refaddr($_[0])} || (UNIVERSAL::can($_[0],'_clone') || $handlers{reftype($_[0])} || sub { die "Unknown reftype " . reftype($_[0])} )->(@_);
+    }
+    
+}
+
+1;