#!/usr/bin/perl

use strict;
use Benchmark;

my @list = (10,11,12,13,14,15,17,18,22,23,24,25,26,27,28,29,30,31,32,33,34,35 );
my %hash;
@hash{@list} = (1) x @list;

timethese(1000000, {
        'Hash Defined Miss' => sub {
                if (defined($hash{1})) {
                        #nop
                }
        },
        'Hash Defined Hit' => sub {
                if (defined($hash{10})) {
                        #nop
                }
        },
        'Hash Assigned Miss Truth' => sub {
                if ($hash{1}) {
                        #nop
                }
        },
        'Hash Assigned Miss Equality' => sub {
                if ($hash{1} == 1) {
                        #nop
                }
        },
        'Hash Assigned Hit Truth' => sub {
                if ($hash{10}) {
                        #nop
                }
        },
        'Hash Assigned Hit Equality' => sub {
                if ($hash{10} == 1) {
                        #nop
                }
        }
});