Makamaka Hannyaharamitu makamaka

makamaka / gist:6878617

Created October 8, 2013 02:43

http://yancha.hachiojipm.org/quot?id=144858,144853,144848,144847,144846 あたりの話をみて

	use strict;
	use warnings;
	use Benchmark 'cmpthese';
	cmpthese( -1, {
	function => sub { my $hoge = 1; $hoge = negate($hoge) },
	neg => sub { my $hoge = 1; $hoge = - $hoge },
	minus => sub { my $hoge = 1; $hoge = 0 - $hoge },
	multi => sub { my $hoge = 1; $hoge *= -1 },
	bit => sub { use integer; my $hoge = 1; $hoge = 1 + ~$hoge },
	} );