--- /dev/null
+#!perl
+use strict;
+use warnings;
+use Benchmark qw/cmpthese/;
+
+for my $klass (qw/Moose Mouse/) {
+ eval qq{
+ package ${klass}One;
+ use $klass;
+ has n => (
+ is => 'rw',
+ isa => 'Int',
+ );
+ no $klass;
+ __PACKAGE__->meta->make_immutable;
+ };
+ die $@ if $@;
+}
+
+print "Class::MOP: $Class::MOP::VERSION\n";
+print "Moose: $Moose::VERSION\n";
+print "Mouse: $Mouse::VERSION\n";
+print "---- new\n";
+cmpthese(
+ -1 => {
+ map { my $x = $_; $_ => sub { $x->new(n => 3) } }
+ map { "${_}One" }
+ qw/Moose Mouse/
+ }
+);
+
+print "---- new,set\n";
+cmpthese(
+ -1 => {
+ map { my $y = $_; $_ => sub { $y->new(n => 3)->n(5) } }
+ map { "${_}One" }
+ qw/Moose Mouse/
+ }
+);
+
+print "---- set\n";
+my %c = map { $_ => "${_}One"->new(n => 3) } qw/Moose Mouse/;
+cmpthese(
+ -1 => {
+ map { my $y = $_; $_ => sub { $c{$y}->n(5) } }
+ qw/Moose Mouse/
+ }
+);
+
+print "---- get\n";
+cmpthese(
+ -1 => {
+ map { my $y = $_; $_ => sub { $c{$y}->n() } }
+ qw/Moose Mouse/
+ }
+);
+